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Activity
Scholastic

Scholastic: Math Maven's Mysteries: Mystery at the Third Strike Sports Store

For Teachers 3rd - 5th
Solve a mystery using your reasoning skills. At this site use all the clues and figure out the winner of the Third Strike Contest.
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Activity
Scholastic

Scholastic: Math Maven's Mysteries: The Bell Clapper Caper

For Teachers 3rd - 8th
Help the Math Maven get the kids out of school on time. Someone has stolen the bell's clapper and if the bell doesn't ring at 3:00, the school doors will not open! You have to figure out the last question to ask the number one suspect.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Thirteen? Oh No! (Pdf)

For Students 3rd - 8th Standards
If you're superstitious you may want to try this math challenge. Test your reasoning and number sense skills by finding out if there is a Friday the 13th every year. Discover how understanding number patterns and reasoning can be helpful...
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Interactive
Math Slice

Math Slice: Smart Guess Game

For Students Pre-K - 1st
Can you guess the correct number between 1 and 99 in less than 30 tries? Play this fast paced, interactive game that tests your number sense and reasoning skills. If your are a great guesser, your name will be posted.
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Activity
University of Cambridge

University of Cambridge: Nrich: Seating Arrangements Plus!

For Students 3rd - 8th
Using your reasoning skills and the clues provided, try to figure out who is sitting where at this table of six. Check the solution and see if you are correct. You can choose similar games and math problems on this page, or choose math...
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Activity
University of Cambridge

University of Cambridge: Nrich: Read This Page

For Students 3rd - 8th
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Make 100

For Students 3rd - 5th Standards
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Find the Fake

For Students 3rd - 8th
Find the fake bar of gold in this problem and you are only allowed to use the scale twice. Can you do it? Once you have your solution check this one page website to verify it.
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Activity
University of Cambridge

University of Cambridge: Nrich: Eleven?

For Students 3rd - 8th
Only by replacing these letters with the correct digits can you make this problem add up correctly! The solution is located right at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Mrs. Beeswax

For Students 3rd - 8th
This logic problem involves putting gold coins in plum pudding. A solution is available to check your results.
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Activity
University of Cambridge

University of Cambridge: Nrich: Spelling Circle

For Students 3rd - 8th
On this one page website use trial and error to find the words hidden in the spelling circles. Check your solution right at the website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Amy's Dominoes

For Students 3rd - 8th
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: What's It Worth?

For Students 3rd - 8th
Use this one page website to practice the problem solving strategy of trial and error! The solution is available right at the website.
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Activity
University of Cambridge

University of Cambridge: Nrich: A Magical Number Maze!

For Students 3rd - 5th
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Home Time

For Students 3rd - 8th
Use the clues and logic to solve this car pool problem. The solution provided allows you to check your results.
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Activity
University of Cambridge

University of Cambridge: Nrich: Money Bags

For Students 1st - 8th
Practice your problem solving skills while you help Ram figure out how many pennies to put in each bag. The solution is right on this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: All the Digits

For Students 3rd - 8th
This site has a logic and reasoning math problem.
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Activity
University of Cambridge

University of Cambridge: Nrich: Buckets of Thinking

For Students 3rd - 8th
Trial and error is just one of the problem solving strategies that you could use to solve this bucket problem. After you finish view the solution at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Code Breaker

For Students 3rd - 8th
Do your logic skills need sharpening? Use the interactive code breaker to at this one page website to do just that! The solution is available to double check your solution.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Game Fifteen

For Students 1st - 5th
Sharpen your problem solving and strategy skills playing this interactive game, Fifteen. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Printable Page," link if you want to print it...
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Interactive
University of Cambridge

University of Cambridge: Nrich: Game: Tandem

For Students Pre-K - 1st
Sharpen your problem solving and strategy skills playing this game. There is a "printable page" link if you want to print it out to help you work with the problem.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Game Pumpkin Patch

For Students Pre-K - 1st
Sharpen your problem solving and strategy skills playing this Somali game, Pumpkin Patch. The rules are simple but the game requires some thinking. There is a "Get Printable Page," link at the top to print out the materials you need.
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Interactive
University of Cambridge

University of Cambridge: Nrich: Game Khun Phaen Escapes to Freedom

For Students Pre-K - 1st
This interactive game is based on a famous character in a Thai legend. See if you can figure out how he escaped! You will have to use your problem solving and spatial relationship skills to figure out this one.
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Activity
University of Cambridge

University of Cambridge: Nrich: Three Block Tower

For Students 3rd - 8th
At this one page website you have to use your logic. Then you can figure out how many towers can be built using three different colored blocks without repeating any color sequence.