Mr Nolde's Math Resource Page
|Place Value||Patterns||Multiplication & Division||2D Geometry||Elapsed Time|
|Rounding & Estimating||Addition & Subtraction||Fractions||Solid Geometry||Graphs & Graphing|
|Making Change||Mental Math||Decimals||Area & Perimeter||Resources|
Shark Pool Place Value Game -This activity is a good review on counting place value blocks. Take a careful look at the place value blocks that are in the boat. Click on the correct numbered circle to the right of the boat. Be careful! If you get it wrong a shark will take a bite out of your boat!
Shark Numbers -This game is another good variation of the Shark Pool Place Value Game. See if you can correctly count up the place value blocks in this game.
Place Value Blocks Estimation -This activity is a lot of fun! See if you can accurately estimate the number of place value blocks that have been dumped on the table. You have 60 seconds to makes as many estimates as possible. I recommend playing this activity several times to help you improve your powers of estimation!
Place Value Fruit Splat -This activity gives you good practice in determining the value of various pace value block amounts.
Place Value Connect Four -See if you can match the digits with their correct place value. Connect four, and you get bonus points. Try the practice mode for starters. Then when you get the hang of it, try the regular mode where you are timed. If you really want a challenge, try the memory mode!
Place Value Puzzler -This activity will help you in being able to identify the place value on specific digits in large numbers. Be careful! There are NO commas separating the numbers into their periods!
Finding Place Values -This activity will also help you in being able to identify the place value of specific digits in large numbers. Click start to begin.
Other Place Value Games -This is a link to a site that has a whole bunch of fun place value games for you to play!
How Many Days Have I Been Alive? -When exploring place value concepts, it's important to explore numbers both large and small. Sometimes in class, I find it fun to work with large numbers that have some particularly interesting meaning to them. This site will calculate how many days that you've been alive.
Can You Say Really Big Numbers? -A common question that I get asked when exploring millions, billions, and trillions, is what numbers come after trillions? This site will allow you to type in ridiculously large numbers and will tell you how to read them! Enter a really big number in the box (start with smaller numbers first!). See if you can read the number yourself. Then click on the gray box to see how that number would be written. Read the number out loud and then check to see if you read the number correctly!
There Must Be Thousands -This site provides a nice overview about place value concepts and on how to read large numbers.
eLab Place Value to 100,000 -See if you can correctly place each digit in the correct place value. When you have finished, then type in the completed number in standard form.
Comparing & Ordering Numbers:
Speedboat Comparing Numbers Game -See how quickly you can compare 2 numbers. Are they greater than, less than, or equal to one another? The faster you correctly answer each problem, the faster your motorboat travels!
UFO's in Space Comparing Numbers Game -In this game, four UFO's with numbers will appear. Click the UFO with the largest number, to send it back to its planet. Your goal is to send successfully 10 UFO's back to their planet.
Balloon Pop Ordering Numbers Game -This game gives you good practice in ordering numbers from least to greatest. What I like about this activity is that you can order numbers up to the million's place.
a Good Lesson on Rounding Larger Numbers -This site
provides a nice overview about how to round numbers.
Rounding to the Nearest Ten -Here's a good activity on rounding numbers to the nearest ten. The top of the page provides a nice explanation on the strategies for rounding numbers. This activity really will help you with rounding numbers to the nearest ten. Be sure to play in the "Countdown" mode. See if you can get a score of 20 or better!!
Rounding to the Nearest Hundred
a good activity on rounding numbers to the nearest hundred. The
top of the page provides a nice explanation on the strategies for
rounding numbers. Be sure to play in the "Countdown"
mode. See if you can get a score of 20 or better!!
Rounding to the Nearest Thousand! -This activity really will help you with rounding numbers to the nearest thousand!
Mixed Rounding -There are fifty numbers that need rounding. How many numbers can you correctly round?
Rounding Flashcards -This activity allows you to select how large you wish the numbers to be. Just use the "Max Value" drop-down menu to make your selection!
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Estimating Sums & Differences:
the Sum -See if you can correctly estimate the
sum of the two addends by rounding to the nearest ten.
Estimate the Sum -See if you can correctly estimate the sum of the two addends by rounding to the nearest hundred.
Estimate the Difference -See if you can correctly estimate the difference between the two numbers by rounding to the nearest ten.
Estimate the Difference -See if you can correctly estimate the difference between the two numbers by rounding to the nearest hundred.
Counting Money & Making Change:
Learn to Count Money -There are 3 different levels to this game. Each time that you count the correct amount of money, you get a colorful goldfish for your fish bowl.
Flash Cards -How good are
you at counting money? Play this game and see how accurately you
can count money!
Counting Money - Here is another activity that gives you practice in counting money.
Welcome to the One Dollar Store! -See how quickly you can pay the cashier the exact amount of money for various toys.
Cash Out -You're the cashier at a store. You need to give change to the customers buying things. Try to sell as many items as possible before the time runs out. Before you start, be sure to click on the difficulty level. Once you've clicked on the correct change, be sure to click on the "give change" box!
Lunch Lady -Can you help the lunch lady with the last ten students who need to buy lunch before the period ends? Test your mental math skills of counting up money. See if you can get all ten students through the line before the next group of students come to lunch!
Making Change -Harvey has been hired to work as a cashier at Perfect Pets, however he needs help with making change for customers. Can you help him?
Change Maker -Practice your counting up skills in this activity by providing the correct change. Be sure to click on the American flag and set your difficulty level before starting.
Three Great Money Games! -This activity is actually 3 fun money games all in one. Be sure to select which game you would like to play first. Once you select a game, be sure to click on the box that says, ""New Problem" to start your fun. If you play "How much money?" be sure to move the bills around on the screen as some bills might be lying underneath the ones that you see! (REQUIRES JAVA)
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Line Dry -See if you can complete the pattern of numbers that appear on the clothesline. Click inside the blank shirt and then type in your answer. Be sure to click on the "Go" button on the bottom right part of the game screen to see if you were able to complete the number pattern. When the new set of shirts appear on the clothesline, you will have a different number pattern to solve. Remember.. the patterns get harder as you continue the game!
Crack the Safe Code -Crack the code on the safe to open it! See what you will find behind the safe. You just might be surprised!! The code on the safe has 2 number tiles missing from it. See if you can crack the safe by solving the number pattern. Just click and drag on the tiles that you feel will complete the number pattern. Once you've done that, be sure to click on the "Unlock" button to open the safe.
Addition & Subtraction Activities:
What Number Do You See? -This activity tests your ability to recognize various numbers represented by ten-frames. By doing so, it ultimately helps students with their ability to work with numbers when trying to make ten! Be sure to try the "Multiple Tens Frames" activity. It's a really good one for the brain!
Butterfly Ten Frames Game -This activity is an excellent one to help strengthen your ability to recognize pairs of numbers that make ten. See how fast you can determine how many butterflies flew away and how many butterflies are left.
Mad Math Minute Doubles -Becoming a master of addition requires that you have mastered your doubles! This is a great activity that gives you plenty of practice in working with your doubles.
Dinosaur Dentist -Once you have mastered your doubles, solving addition problems with near doubles should be easy. This is a fun activity that gives you plenty of practice working with near doubles. Look at the dinosaur's teeth. Think of the double. Remove one tooth, and find the near double!
Mr. Martini's Addition Fill Flash Cards -Mr. Martini's flash cards are some of the best online flash cards out there! See if you can type in the correct missing number for each addition sentence. When you type in the correct number, the math sentence will turn a different color.
Mr. Martini's Subtraction Fill Flash Cards -Mr. Martini's flash cards are some of the best online flash cards out there! See if you can type in the correct missing number for each subtraction sentence. When you type in the correct number, the math sentence will turn a different color.
Math Mayhem! -Are you ready to put your math skills to the test? See how well you do against the clock with either addition, subtraction, multiplication, or division.
Fact Monster -This is a great site for math fact flashcards for all 4 operations and seven different skill levels.
Math Magician Addition -Choose which particular math fact you'd like to work on and see if you can answer 20 questions in less than a minute.
Math Magician Subtraction -Choose which particular math fact you'd like to work on and see if you can answer 20 questions in less than a minute.
Sum Sense Addition -Drag and drop the number cards to make an addition sentence that works. Before you start, select the number of questions and the time that you want to be given to answer each challenge.
Sum Sense Subtraction -Drag and drop the number cards to make a subtraction sentence that works. Before you start, select the number of questions and the time that you want to be given to answer each challenge.
Speed Grid Addition Challenge -Find two numbers in the grid whose sum equals the number given below the grid. Before you start, select the number of questions and the time that you want given to answer each challenge.
Speed Grid Subtraction Challenge -Find two numbers in the grid whose difference equals the number given below the grid. Before you start, select the number of questions and the time that you want given to answer each challenge.
Whole Numbers Addition Blocks -In this game, you are given a target number. You will need to click on as many numbered blocks as you need to add up to the sum of that target number. Be careful! You don't want to go over the target number. Otherwise you will lose a point! Here's a good strategy to use: Select combinations of numbers that add up to ten and go from there! You can also use our famous math cheers to help you as well:
"1, 2, 3, 4 who really knows the score? Ten, Ten, Yeah Ten!!!"
"2, 4, 6, 8 who do we appreciate? Twenty, Twenty, Yeah Twenty!!!"
"6, 7, 8, 9 who do we think is mighty fine? Thirty, Thirty, Yeah Thirty!!!"
Addition Facts Quiz -See how quickly you can answer 20 math problems. For each problem, type in your answer and hit the "ENTER" key to get to the next problem!
Add to TEN -We know how important it is to be able to be flexible with numbers. The number ten is such a great number to work with. Being able to pair up numbers that match to ten is an important skill. Shoot the numbered ball to a number so that the sum of the numbers on the ball is ten!
Make 15 -This game is one of my favorites! Compete against the computer in selecting three numbers whose sum is fifteen. Remember, you may have to select numbers so that the computer doesn't get a combination of 3 numbers that add up to fifteen!
Sums Stacker -Click and drag dice values from stack to stack until the sums of each stack equal the target sums below. For an additional challenge, see if you can get the target sums in the FEWEST moves!
Thinking Blocks- Addition & Subtraction -A really good strategy that can help you solve word problems is by using bar diagrams. Bar diagrams help you to visualize the information that you know and how that information can help you to solve the problem. This site does an awesome job of modeling addition and subtraction word problems using bar diagrams.
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Mental Math Addition & Subtraction:
Estimated Addition Quiz One -In class, we learned different techniques used to estimate numbers. This activity asks you to estimate the sum of 2 numbers.
Estimated Addition Quiz Two -Here's another version of the quiz for you to try.
Fridge Magnet Addition -Here's a good mental math addition activity for you! Using your great skills in mental math addition, see if you can complete the sums of these 2 digit addition problems. Also, be sure to try level B where you are asked to fill in the missing addend for each equation!
Mental Math Soccer -This is a really good game to work on the 2-digit mental math addition techniques that we worked on in class.
Speed Math Trainer -Try your hand at "Addition Medium" and see if you can correctly answer ten double-digit mental math addition problems. If you're feeling really confident, why don't you try "Addition Hard" for some three-digit mental math problems.
Mentally Subtracting 2-Digit Numbers -Click on start to begin! If you scroll down the page some more, you can also try this activity in countdown mode or twenty questions mode as well.
Mental Math Addition with 2-Digit Numbers -Find out what's behind the tiles in this game. Click on a UFO with the math problem, then choose the correct answer on the left.
Mental Math Subtraction with 2-Digit Numbers -Find out what's behind the tiles in this game. Click on a UFO with the math problem, then choose the correct answer on the left.
Power Lines Phase 1 -See how good your mathematical reasoning skills are for this activity! See if you can correctly place each power cell number in the correct circle so that all of the numbers in the same straight red line add up to the power line total. Complete all 8 levels in this activity and you will receive the password to unlock phase 2!
Power Lines Phase 2 -Before you can enter level 2, you will need to finish Phase 1 to acquire the password. See if you can correctly place each power cell number in the correct circle so that all of the numbers in the same straight red line add up to the power line total. Complete all 8 levels in this activity and you will receive the password to unlock the ultimate challenge!
Power Lines Phase 3 -Before you can enter level 3, you will need to finish Phases 1 and 2 to acquire the needed passwords. See if you can correctly place each power cell number in the correct circle so that all of the numbers in the same straight red line add up to the power line total. There is only one level in this ultimate challenge!
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Flash Cards for Multiplication:
Online Flash Cards
Printable Flash Cards:
Design & Print Your Own Flash Cards! -This site allows you to select entire sets of numbers that you wish to make. It also allows you to design and print cards of different sizes as well.
Scholastic's Homework Hub Flash Card Maker -Are there just a few math facts that you always get stuck on? Here's a great flash card making site that allows you to design individual flash cards for very specific math facts. You can then test yourself by using them online OR you can print out your newly designed flash cards.
Multiplication & Division Activities:
Carl's Cookie Capers -Here's a fun model of multiplication that involves cookies and chocolate chips!
Wade's Workout World -Practice your multiplication facts while helping Wade workout in preparation for the soccer season.
Math Magician Multiplication Madness! -Are you a math magician? In this activity, see if you can correctly answer 20 multiplication questions in one minute.
Whole Numbers Multiplication from 0-9 -Here's another fun activity that helps you practice your multiplication facts.
Multiplication Math Games -This site has a ton of activities to help you practice your multiplication facts.
Speed Grid Multiplication Challenge -Find two numbers in the grid whose product equals the number given below the grid. Before you start, select the number of questions and the time that you want given to answer each challenge.
Sum Sense Multiplication -Drag and drop the number cards to make a multiplication sentence that works. Before you start, select the number of questions and the time that you want to be given to answer each challenge.
Bracket Basics -I LOVE this activity! Once you've really mastered your times tables, see if you can be a good number detective to complete these equations. Remember, when an equation has a bracket around any numbers, you do that operation FIRST! Once you've done the operation(s) within each bracket, then do the operation(s) outside of the brackets to determine the answer. In this activity, they give you the answer to the equation. You just need to determine where the numbers go to make that equation equal the answer that is given.
Math Squares Addition and Multiplication -See if you can place the correct number values into the correct spaces so that you have both an addition and a multiplication sentence that make sense.
Whole Numbers Multiplication Blocks -In this game, you are given a product of 2 numbers. Click on the blocks whose product equals the target number. See how many blocks you can clear off of the game screen before time runs out!
Math Basketball: Properties of Multiplication Game -How well do you know your properties of multiplication? Play this activity to review all of those important properties of multiplication that we have learned about in class.
Prime and Composite Numbers -In our candy box research, we discovered that some numbers only produce 2 shapes. They only made 2 shapes because the only factors that work with these numbers are themselves and ONE. We learned that these numbers are called prime numbers. Other candy box research revealed that some numbers have more than 2 factors. We call these numbers composite numbers. This website does a great job in explaining more about prime and composite numbers.
Multiply by 11 Trick -This is a fun activity to try! Learn how to mentally multiply any 2-digit number by eleven by playing the practice mode first.
Math Magician Division Madness! -Are you a math magician? In this activity, see if you can correctly answer 20 division questions in one minute.
Whole Numbers Division from 0-81 -Here's another fun activity that helps you practice your division facts.
Sum Sense Division -Drag and drop the number cards in the places which will create a division sentence that makes "Sum Sense!" When you think that you have the cards in the correct positions, click the "Next" button for another question. Interestingly, you may very well discover that the number cards could actually go in more than one place in order for the division sentence to make sense! Also, don't forget that you are able to adjust the number of questions and the time needed to answer those questions before you begin your challenge.
Division Word Problem Practice -See if you can correctly answer each word problem using your skills in division!
More Division Word Problems for You! -This website has even more practice for you with division word problems.
Dividerama! -Try this activity to give you help in practicing your long division. If you're having difficulty, be sure to click on the "Help" box.
Dividerama with 3-Digit Dividends! -Here's an even more challenging version of Dividerama. If you're having difficulty, be sure to click on the "Help" box.
Thinking Blocks- Multiplication & Division -A really good strategy that can help you to solve word problems is by using bar diagrams. Bar diagrams help you to visualize the information that you know and how that information can help you to solve the problem. This site does an awesome job of modeling multiplication and division word problems using bar diagrams.
Ultimate Math Magician! -Are you a truly awesome math magician?? This is the ultimate test! In this activity, see if you can correctly answer 50 questions in 2 1/2 minutes or 100 questions in 5 minutes.
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Fun! -Here's a fun little activity on identifying
fractional parts. Click on the slice of pie to start your adventure in
Fraction Frenzy! -See you quickly & accurately you can identify various fractions in this activity. Be sure to use the arrow keys on your keyboard to select the correct fraction.
Matching Fractions- Parts of a Set -When we explore what fractions really are, there are two ways in which we can think of fractions. A fraction can represent part of one whole thing (example: I had 1 slice of pizza for lunch. I ate 1/8 of the pizza pie.) A fraction can also represent part of a set. (example 1/3 of the apples in the box had worms in them!) See if you can correctly match the fraction with the part of the set that is shown.
Fractions with Cookies! -Here's another activity that explores fractional parts of a set.
Comparing & Ordering Fractions:
Pop Comparing Fractions Game
a good place to start when working on the skill of comparing fractions.
See if you can pop the balloons in order from the smallest
fraction to the largest fraction.
Comparing Fractions (Easier) -This activity also has you compare fractions, while giving you good visual representations of each fraction to help you compare.
Comparing Fractions (Easier Part II) -This activity also has you compare fractions, while giving you good visual representations of each fraction to help you compare.
A More Advanced lesson on Comparing & Ordering Fractions -This goes a bit farther that what we learn in 3rd grade on comparing & ordering fractions, but cool nonetheless! Be sure to turn your computer's sound on for this informative lesson!
Comparing Fractions Game -After checking out the lesson on comparing and ordering fractions, be sure to start off with level 2 on this activity.
Matching Math- Equivalent Fractions Level 1 -See if you can match each of the equivalent fractions in this activity.
Matching Math- Equivalent Fractions Level 2 -See if you can match each of the equivalent fractions in this activity.
Matching Math- Equivalent Fractions Level 3 -See if you can match each of the equivalent fractions in the most difficult level of this activity
Mr. Anker's Equivalent Fractions Test 1 -Using the fraction strips, see if you can correctly identify the correct equivalent fraction.
Anker's Equivalent Fractions Test 2 -Using the
fraction strips, see if you can correctly identify the correct equivalent
Reducing Fractions Shoot -Remember, when we reduce fractions, we are dividing BOTH the numerator and the denominator by the greatest common factor shared by both. See if you can reduce each fraction to it's simplest form. What I like about this activity, is that there are 2 different versions of the game. In one version of the game, the reduced fraction is represented as a shaded in amount of a whole shape. In the other version, the reduced fraction is simply represented as a written fraction.
Soccer Math- Simplifying Fractions -If you're really up for the challenge, try your hand at this game! This game has more difficult fractions for you to reduce.
Adding & Subtracting Fractions:
Fruit Shoot Fraction Addition -This is an activity that has you adding fractions in a fun way. Be sure to start with level one to begin with!
Adding & Subtracting Fractions with the Same Denominator -Adding & subtracting fractions with the same denominator is rather easy. See if you can get a perfect score in this activity.
Thinking Blocks- Fractions -A really good strategy that can help you solve word problems is by using bar diagrams. Bar diagrams help you to visualize the information that you know and how that information can help you to solve the problem. This site does an awesome job of modeling fraction word problems using bar diagrams.
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Decimal Ducks -See if you can collect all ten ducks in by identifying the correct place value of numbers that have up to 3 decimal places.
Decimal Ships -This activity is similar to decimal ducks except that it works with numbers up to 4 decimal places.
Math -In every trial, you will have to throw the
football successfully into your friend's arms and then answer a decimal
place value question with numbers up to five decimal places.
Decimal Detective -This is a fun activity in which you will try to find a suspect hiding behing a particular decimal number.
The Ordering Game -This game begins with a huge menu of number ordering games to choose from. Be sure to try "Decimal Tenths," "Decimal Hundredths," and "Decimal Thousandths" to help you with ordering decimals!
Scooter Quest! -See if you can help Jimmy make enough money to help him buy a scooter for his paper route. Each level of the game gets progressively more difficult, ultimately asking you to identify place value all the way down to the ten thousandths!
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Geometry of 2D Shapes:
How Well Do You Know Your Shapes? -Take this quiz and see if you can get a perfect score!
Basic Shapes Game -See if you can correctly click and drag the right shape name with the right shape.
2D Concentration -See how good your geometry and your memory is in this game of concentration.
2D Shapes Jeopardy -See how well you know your shapes with this jeopardy game.
Polygon or Not?? -This website does a great job of summarizing the properties that all polygons share. See how many shapes you can click and drag into the correct basket as the shapes go flying by on the screen.
3D Concentration -See how good your geometry and your memory is in this game of concentration.
Classifying Geometric Figures Game - In this activity, you will be classifying geometric
figures by whether or not they are 2-dimensional or 3-dimensional. See how many shapes you can
click and drag into the correct basket as the shapes go flying by on
Similar or Congruent Game -See if you can correctly place each slip of paper in the correct mail slot in this game.
Line Shoot Arcade Challenge -This is a fun activity that tests your ability to correctly pick out points, line segments, lines, rays, intersecting lines, and parallel lines.
Line Segments, and Rays
quiz tests your knowledge about lines, line segments, and rays.
BE CAREFUL when reading the questions. Some of them are a bit
Interactive Quadrilaterals -Drag the dots in any of the 4 corners of these quadrilaterals and see how your movement changes the shape and the angles of the corners.
Interactive Triangles -Drag the dots in any of the 3 corners of these triangles and see how your movement affects the shape and the angles of the corners.
The Triangle Baseball Game -Play this game to see how well you know your basic types of triangles. When you get a question correct, be sure to click on the "HIT" button to select the speed of the pitch. Then click the "HIT" button again to hit the ball.
Definitions of Triangles:
Flip Card Angle Types -How well do you know the names of different angles in geometry? Test your skills by matching pairs of cards with the same type of angle.
Baseball Geometry: Types of Angles -How well do you know the names of different angles in geometry? This is a fun activity that not only reviews the different types of angles but tests your reaction time baseball skills as well! When you get a question correct, be sure to click on the "HIT" button to select the speed of the pitch. Then click the "HIT" button again to hit the ball.
Build a Safe Bridge -This activity will help you develop a better understanding of the geometry behind angles and triangles. Can you build a bridge so that 3 trucks can cross it safely? Click on "I can make it safe" to begin your geometric adventure!
Tangram Puzzles -How good are you with your spatial relationships? See if you can complete each tangram puzzle by placing each piece in the correct place in this activity. 2 Important HINTS: Be sure to "flip" some of the pieces to ensure that they complete the puzzle, and be sure to click on one of the shape's corners to rotate the shape as well!
Tetrahedra Investigation -This activity will also test your ability to figureout spatial relationships! See how many ways you can color the net (flattened out 3-dimensional solid) of a tetrahedron (a polyhedron made of 4 triangular faces).
Cross the Maze -How good are you with recognizing your left from your right? This activity will test your ability to give directions to a race car driver. You goal is to give the driver as few directions as possible in order for the car to reach the finish line.
Toothpick Geometry Puzzles -Did you enjoy making different shaped triangles in our toothpick activity? Here are some classic geometric puzzles for you to try out. Just grab yourself a box of toothpicks and enjoy the fun!
Toothpick Triangle Puzzles -Did you enjoy making different shaped triangles in our toothpick activity? Here are some classic geometric puzzles for you to try out. Just grab yourself a box of toothpicks and enjoy the fun!
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Sorting 3D Shapes -This activity gives you good practice with reviewing the properties of three dimensional shapes. See if you can correctly place the correct 3D shapes into the box based on the category that you are given.
Complete the table
-Take a careful look at each of the 3D shapes in this activity.
See if you can correctly count the number of faces, edges, & vertices of each
shape and type them in the chart.
3D Boxes Game -See if you can correctly determine the volume of various sized boxes in this activity.
Explore & Play with Prisms -This is a good site to check out if you want to learn more about the solid geometry of prisms.
Explore & Play with Pyramids -This is a good site to check out if you want to learn more about the solid geometry of pyramids.
4 Congruent Faces
6 Congruent Faces
8 Congruent Faces
12 Congruent Faces
20 Congruent Faces
Platonic Solid Rock Video -This is a cool video that dives into the world of platonic solids. Not only is the video informative, but the music is cool too!
Unit Polyhedron Origami -One of the things that I've begun to explore, is the world of unit polyhedron origami. This website teaches you how to make a sonobe cube. Once you become an expert at creating the sonobe cube, you can then take several of these "sonobe units" and learn how to create other platonic solids such as an octahedron or an icosahedron!
The Ninja Star -This particular website calls it UFO origami. Whatever name you use, it certainly is a really cool piece of origami that allows you to change its shape once it is all finished!
Modular Origami Diagrams -If you're interested in trying some other variations on unit polyhedron origami, this is a great place to start! In fact, I got the link for the Ninja Star from this website. This site offers a ton of links to free diagrams instructing you on how to fold modular origami models.
Folding a Penultimate Module -You might have seen the penultimate dodecahedron that I made. Believe it or not, each module is only 6 folds! The challenging part is putting all of the modules together. This site will at least get you started on how to make a penultimate dodecahedron!
Dodecahedron Origami Video -There are a lot of youtube origami tutorials out there. Some of them are good. Some of them are lousy! This one does a fairly good job of teaching you how to make and put together the penultimate dodecahedron using 5 different colors.
Mr. Nolde's Polyhedron Origami Photo Gallery -Here is a photo gallery that I put together of some of the polyhedra that I have made into origami. Enjoy!
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Area & Perimeter Game -This activity does a great job of giving you a good overview about how to calculate the area and perimeter of basic shapes. Be sure to try out all 3 levels of the game for both area and for perimeter.
Party Planner Area & Perimeter Game -You are a party planner that needs to design a party event that has places with different areas and perimeters. See if you can build each area with the correct perimeter and area. Be sure to click on the CORNER of the initial squares to change their shape or to change their position!
Finding the Area & Perimeter of Rectanges -This activity also does a great job of working with area and perimeters of rectangles. What I particularly like about this activity, is that it gives you a ruler to measure the sides.
Perimeter Shape Shoot -See if you can select all of the correct shapes that have a particular perimeter.
Area Shape Shoot -See if you can select all of the correct shapes that have a particular area.
Extra Practice on Area & Perimeter of Compound Shapes -This website contains a lot of other good area and perimeter problems to try. Be sure to click on the blue "check"box to check your answers.
Perimeters of Parallelograms -See if you can determine the perimeter of various parallelograms when given the lengths of two of its sides. BE CAREFUL!! There are 2 boxes for you to fill out. One box is for the measurement. The other box is for the unit of measurement.
The Ruler Game -Practice your skills in reading a ruler in this game. The first thing that you will want to do is to set your increment level. I might recommend starting out this game at 1/4 inch increments first and then set it to 1/8 inch increments later. If you become really good at reading a ruler, try the 1/16th increments!
The Measuring Game -This website allows you to work in reading either centimeters or inches. If you're having difficulty determining how long the line is, be sure to click on the magnifier to help you determine where the end of the line is located on the ruler.
The Funbrain Measurement Game -This website also gives you practice in reading a ruler. Select the difficulty level and whether you want to measure centimeters or inches.
Which Metric Measurement Should You Use? -This activity gives you practice in deciding which metric unit of measurement to use when measuring the length or area of various objects.
Measuring Angles with a Protractor Game -This game is a great way to practice measuring angles with a protractor. Be sure to click and hold the rotate button on the protractor to align it in the correct position to measure the angle.
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Telling Time & Elapsed Time
Time Teller -This activity lets you place the minute hand and the hour hand in the correct spots on the clock.
Stop the Clock! (Easy) -Match the correct digital time readout with the correct analog times.
Stop the Clock (Harder) -Match the correct digital time readout with the correct analog times.
Stop the Clock (Difficult) -Match the correct digital time readout with the correct analog times.
-This is a good clock to help you figure out what the clock will look
figuring out elapsed time problems.
Match the Clock! -See if you can correctly match the digital clock readout with the correct analog clock readout.
Elapsed Time Game -See if you can make it through all levels of
this game by correctly determining each of the elapsed times.
Elapsed Time- Minutes & Hours -See if you can correctly determine just how many hours and minutes have passed between the start and end clocks in this game! Click "New Times" to start the clocks. Once you think that you've figured out how much time has passed between the two clocks, click "Check" to see if you were right!
Elapsed Time- Minutes & Hours (More difficult) -See if you can correctly determine just how many hours and minutes have passed between the start and end clocks in this game! Click "New Times" to start the clocks. Once you think that you've figured out how much time has passed between the two clocks, click "Check" to see if you were right!
What Time Will it Be? -See if you can change the clock on the right to show the correct amount of time that has elapsed between the two clocks!
Interactive Elapsed Time -See if you can make the green clock advance the correct number of hours and minutes in this activity.
Time Word Problems -See if you can correctly answer each of these word problems!
Elapsed Time Questions -See if you can correctly answer all ten of
Elapsed Time -See if you can correctly answer the following questions about elapsed time.
Why do Clocks Move "Clockwise?" -This is a question that I've often thought about. The answer is quite fascinating!
Calendar Game -There are 3 different levels in this game. Start at level 1 and work your way up to the hardest level.
The Origins of our Calendar -Have you ever wondered where the names of the days of the week came from? Have you ever wondered each month has a particular number of days in it? This website seeks to answer many of your questions.
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Interpreting Graphs & Graphing Activities:
Reading Pictographs -See if you can correctly
interpret each pictograph in this activity. Be sure to look at
the key to help you interpret the pictograph.
Create Your Own Pictograph -Using the data provided, create your own pictograph.
Picking -Have fun asking Mr. Taylor's class
survey questions. Collect data by entering tally marks or
then select which graph is appropriate.
Interpreting Line Plot Graphs -See if you can a perfect score by correctly interpreting each line plot graph.
Interpreting Line Plot Graphs (Harder) -See if you can correctly interpret the line plot graphs in this activity!
Create Your Own Line Plot Graph -Using the data provided, create your own line plot graph. See if you can get a perfect score of 100!
Create Your Own Line Plot Graph (Harder) -Using the data provided, see if you can fill in the rest of the line plot graph in this activity.
Bar Graphs -See
if you can correctly interpret each bar graph in this activity.
Interpreting Bar Graphs (Harder) -See if you can correctly interpret each bar graph in this more difficult activity.
Creating Bar Graphs -See if you can complete the bar graphs in this activity by using the data table provided above each graph.
Creating Bar Graphs (Harder) -See if you can complete the bar graphs in this activity by using the data table provided above each graph.
Bug & His Quest for Grub -Click on the
to guide Billy Bug to the coordinates of the hidden food. When he
at the correct coordinate, click on "Feed" and he will feed
How fast can you have Billy feed himself 10 times?
Billy Bug & His Quest for Grub (More Difficult) -Did you know that a graph's X axis and Y axis can also have negative numbers on it? We call this a Cartesian Coordinate Plane See if you can feed Billy Bug in this harder graph. Click on the arrow keys to guide Billy Bug to the coordinates of the hidden food. When he arrives at the correct coordinate, click on "Feed" and he will feed himself. How fast can you have Billy feed himself 10 times?
Locate the Aliens (More Difficult) -This activity also contains a Cartesian Coordinate Plane to be used as our graph. See if you can locate the grid coordinates for the aliens in this activity.
Interpreting Line Graphs (Harder) -See if you can correctly interpret each line graph in this more difficult activity.
Creating Line Graphs -See if you can complete the line graphs in this activity by using the data table provided above each graph.
Creating Line Graphs (Harder) -See if you can complete the line graphs in this activity by using the data table provided above each graph.
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Math Resources for Parents:
Bedtime Math -Parents know how to read to their kids at nights, but what about math? Updated daily, Bedtime Math is a great website that gives you and your family a creative way to explore how we use math in our daily lives.
The Common Core Math Explained in 3 Minutes -People often ask me, "What's the story with Common Core Math?" "How is it different than the way that I was taught math?" This three minute video does an excellent job of explaining what Common Core Math is all about!
Splat Squares 0-99 -This is a good interactive hundreds chart starting at zero.
Splat Squares 1-100 -This is a good interactive hundreds chart starting at one.
Array Builder -This page will allow you to quickly create and display a multiplication array.
eTools Place Value Blocks -This is a good way for students to work with virtual place value blocks.
eTools Counters -Here is a site that has a variety of counters that students can use.
eTools Fractions -Here is one on fractions.
eTools Geometry Drawings -Here is a good work space on geometry drawings.
eTools Geometry Shapes -Here is one on geometry shapes.
eTools Measurement -Here is an interesting one on measurement.
eTools Spreadsheet/Data Grapher -Here is one on graphing.
Math Resources for Teachers:
Interactive Whiteboard Resources
Dreambox Learning Interactive Whiteboard Resources
Studyladder Math Resources
Adding & Subtracting With Tens
Mr. Martini's Flash Cards
Thinking Blocks by Math Playground
Teach the Children Well- Math Resources/ Games Page
K-5 Math Games
XP Math Games
OCSD Interactive Games
Reasoning Mind Riddle Machine
Math Fact Cafe
Online Practice Tests
Mr. Anker's 3rd Grade Online Tests
Mr. Anker's 4th Grade Online Tests
Rachel McAnallen Videos:
Teaching About Decimals
A Lesson On Banking
Place Value Lesson
Candy Bar & Carpenter Fractions