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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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Interactive
University of Cambridge

University of Cambridge: Nrich: Got It

For Students 1st - 8th
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Don't Fall In

For Students 3rd - 8th
Have you ever wondered why manhole covers are round? Believe it or not, there is a logical, mathematical reason. See if you can figure it out in this NCTM Math Challenge for Families activity. A one-page activity with suggested life...
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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: 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: 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: 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: 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: 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: 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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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.
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Activity
University of Cambridge

University of Cambridge: Nrich: Whose Face?

For Students 3rd - 8th
This is a logic and reasoning problem to help you sharpen your problem solving skills on this one page website. Now just "face" it and see if you can find the solution to "Whose Face"!
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Activity
University of Cambridge

University of Cambridge: Nrich: Mixed Up Socks

For Students K - 1st
Your reasoning skills will come in handy as you find solutions to these "sock" problems. Solutions are available on this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Three Way Mix Up

For Students 3rd - 8th
Follow the rules and see if you can solve this problem about 3 different color tile arrangements. As always the solutions is available on this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Seven Pots of Plants

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

University of Cambridge: Nrich: Elf Suits

For Students 3rd - 8th
Reasoning will help you figure out the various combinations of elf suits at this one page website. Check your solution against the solution given and see if they agree with you!
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Activity
University of Cambridge

University of Cambridge: Nrich: Chocs, Mints, Jellies

For Students 3rd - 8th
On this one page website, logic and other problem solving skills will help you find a variety of solutions to this sweet dilemma. The University of Cambridge provides possible solutions to aid you in your decision making.
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Activity
University of Cambridge

University of Cambridge: Nrich: Snails' Trails

For Students 3rd - 8th
Follow the guidelines and figure out the logic needed to bring these two snails together! A solution is available to check your results.
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Activity
University of Cambridge

University of Cambridge: Nrich: Briefcase Lock

For Students 3rd - 8th
Use logic and reason to figure out what the correct combination of numbers are for the locked briefcase. At this one page website you can also check the solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Whose Sandwich?

For Students 3rd - 8th
On this one page website logic and reason will help you figure out who ordered which sandwich. Check your results against the solution they provide at this website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Zargon Glasses

For Students 3rd - 8th
On this one page website using logic you can help Zump figure out which combination of glasses go to which members of the 9 families who ordered glasses one day. Check your answer against the solution provided by the website.