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.
Activity
PBS

Pbs Learning Media: Fresh Pick Challenge: Logical Lunch

For Teachers 1st - 3rd
By using their deductive reasoning skills, children can help Henry and Avril pack a perfect picnic lunch. This activity will provide them with ways to use clues to solve a problem, group objects based on several attributes, and...
Activity
University of Cambridge

University of Cambridge: Nrich: Penta Place

For Students Pre-K - 1st
Sharpen your logic and pattern recognition skills while working on this challenge. Solution included.
Activity
University of Cambridge

University of Cambridge: Nrich: Four Triangles Puzzle

For Students K - 1st Standards
Sharpen your logic and and pattern recognition skills with this four triangles puzzle. The solution is available to check your work.
Activity
University of Cambridge

University of Cambridge: Nrich: Train Carriages

For Students K - 1st Standards
On this one page website sharpen your logic and pattern creation skills while working on this challenge. The solution is available to double check your solution.
Interactive
University of Cambridge

University of Cambridge: Nrich: Shapely Tiling

For Students Pre-K - 1st
On this one page interactive website expand your logic, Motion Geometry and pattern recognition knowledge while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Seven Sticks

For Students K - 1st Standards
On this one page website sharpen your logic, triangle properties, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: 2, 4, 6, 8

For Students Pre-K - 1st Standards
On this one page website sharpen your logic, addition, and subtraction skills while working on this challenge. The solution is available to double check your solution.
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.
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.
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...
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.
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.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Christmas Shopping

For Students Pre-K - 1st
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Butterfly Flowers

For Students K - 1st
This one page website offers a challenge that will require you to use your problem solving skills. There are teacher tips and the solution available to help.
Activity
University of Cambridge

University of Cambridge: Nrich: Big Dog, Little Dog

For Students Pre-K - 1st 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.
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.
Interactive
University of Cambridge

University of Cambridge: Nrich: Game Counter Roundup

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

University of Cambridge: Nrich: Two Stones Game

For Students Pre-K - 1st
Sharpen your problem-solving and strategy skills while playing the interactive game, Two Stones. The rules are simple, but the game requires some thinking if you want to beat the computer. Watch as the play proceeds to see what it takes...
Interactive
University of Cambridge

University of Cambridge: Nrich: Daisy Game

For Students Pre-K - 1st
Sharpen your problem solving and strategy skills by playing this interactive game. The game's rules are simple, but play requires some thinking if you want to beat the computer. You can change the settings and see if your strategy works...
Activity
University of Cambridge

University of Cambridge: Nrich: Spiders and Flies

For Students Pre-K - 1st 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.
Activity
University of Cambridge

University of Cambridge: Nrich: Happy Halving

For Students 1st - 2nd
On this one page website expand your logic, symmetry and pattern recognition knowledge while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Divide It Out!

For Students Pre-K - 1st Standards
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.

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