University of Cambridge
University of Cambridge: Nrich: Three Way Mix Up
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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University of Cambridge: Nrich: Seven Pots of Plants
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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University of Cambridge: Nrich: 1, 2, 3, 4, 5
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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University of Cambridge: Nrich: A Conversation Piece
On this one page website sharpen your logic, division and prime number recognition skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Shapely Tiling
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.
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University of Cambridge: Nrich: A Square Deal
On this one page website sharpen your logic, ordered pairs, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Magic Triangle
Use your problems solving skills to make everything add up correctly for this challenge. The solution is right at this one page website.
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University of Cambridge: Nrich: Elf Suits
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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University of Cambridge: Nrich: Counting Cards
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Hand Span
Use this one page website to practice measuring things using nonstandard units of measurement. There is a solutions page that is right at the website for more information.
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University of Cambridge: Nrich: Chocs, Mints, Jellies
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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University of Cambridge: Nrich: Dining Ducks
This problem will quack you up. On this one page website use those problem solving skills to check the reasonableness of your answer. The solution is available right at the website.
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University of Cambridge: Nrich: Snails' Trails
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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University of Cambridge: Nrich: Butterfly Flowers
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.
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University of Cambridge: Nrich: Grouping Goodies
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: What's Left?
On this one page website sharpen your logic and factor recognition skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Roll These Dice
Sharpen your problem solving, sequencing, and spatial reasoning skills playing this interactive game, Roll The Dice. See how many different paths you can take to end up with the same result.
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University of Cambridge: Nrich: Street Party
Sharpen your logic and spatial sense skills while working on this challenge. Solution included.
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University of Cambridge: Nrich: Christmas Presents
Improve your logic and net recognition skills with this learning game. Solution included.
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University of Cambridge: Nrich: Making Squares
On this one page website sharpen your logic, spatial sense, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Month Mania
Sharpen your logic and pattern-creation skills while working on this challenge. A solution is available to check your results.
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University of Cambridge: Nrich: New House
On this one page website sharpen your logic and spatial sense skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Doplication
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Fencing
On this one page website sharpen your logic, area, perimeter, and pattern recognition skills while working on this unique fencing challenge. The solution is available to double check your solution.