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University of Cambridge: Nrich: Noah
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 answer.
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University of Cambridge: Nrich: Three Block Tower
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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University of Cambridge: Nrich: Four Triangles Puzzle
Sharpen your logic and and pattern recognition skills with this four triangles puzzle. The solution is available to check your work.
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University of Cambridge: Nrich: Three Squares
Students can sharpen their logic and spatial relationship skills while working on this challenge on this one page website. The solution is available to double check your solution.
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University of Cambridge: Nrich: Domino Square
Use your problem solving skills and move the dominoes around on the square so that each side has only eight dots. When you are finished you can check your answer against theirs right at this one page NRich website.
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University of Cambridge: Nrich: Train Carriages
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.
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University of Cambridge: Nrich: Making Rectangles
On this one page website sharpen your logicand pattern recognition skills while working on this rectangle challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Whose Face?
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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University of Cambridge: Nrich: Logo Programming Overlapping Polygons
Using this Logo Program you can experiment with different values for N in the procedure and see the changes in the results.
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University of Cambridge: Nrich: Writing Digits
At this one page website you must know the difference between digits and numbers to solve the challenge. When you have a solution you can check it with the solution right there on the website.
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University of Cambridge: Nrich: Christmas Shopping
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: Mixed Up Socks
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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University of Cambridge: Nrich: Big Dog, Little Dog
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: 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: Transformations on a Pegboard
This one page website can expand your logic, Motion Geometry and pattern recognition knowledge. The solution is available to double check your answers.
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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: Spiders and Flies
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: Constant Counting
You can use your calculator to count by all kinds of numbers: 2s, 3s, etc. This one page website shows you how to do that and gives you a challenge besides. The solution for the challenge is waiting for you right at the website once you...
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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: Is a Square a Rectangle?
This one page website offers a challenge working with rectangles that can lead to a discussion of their properties. Teacher notes offer direction and a solution is offered at this website.
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University of Cambridge: Nrich: Packing for the School Trip
Help Lorenzie figure out how many combinations he can make with the pants and shirts he is packing. Check the website for the solution.
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University of Cambridge: Nrich: Reverse Trick
Get your calculator and your problem solving skills out to solve this challenge. You can find the solution 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!