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University of Cambridge: Nrich: Building Stars
This interactive activity gives you an opportunity to color in a tessellation that is different from the usual. Read the short introduction to find out more about this tessellation that doesn't repeat.
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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: 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: 2, 4, 6, 8
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.
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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: 4 Dom
On this one page website move the domino pieces around until you satisfy the rules for this challenge. This will require you to use your problem solving skills.
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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: Buzzy Bee Problem
See if you can find the pattern in Buzzy Bee's honeycomb. The solution is available right at this one page website.
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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: 1 to 8
Use the clues and problem solving strategy, trial and error, to solve this problem. When you have your solution you can check it right on this one page website.
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University of Cambridge: Nrich: Brothers and Sisters
Figure out the ages of the children in this family using the clues and your sound algebraic thinking. Check the solution after you complete the problem.
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University of Cambridge: Nrich: How Old?
On this one page website sharpen your logic and pattern recognition skills while working on this challenge. The solution is available to double check your solution.