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Activity
University of Cambridge

University of Cambridge: Nrich: On the Edge

For Students 3rd - 8th
On which polyhedra are you able to trace along the edge without retracing any edge? When you have found the correct polyhedra then check the solution provided for you right at this one page NRich website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Ten Green Bottles

For Students 3rd - 8th
Sharpen your problem solving skills and find the solution to the challenge on this one page website. You might want to make a list. Once you have your solution you can check the website and see if it agrees with their solution.
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Activity
University of Cambridge

University of Cambridge: Nrich: Page Numbers

For Students 1st - 8th Standards
Exactly 195 digits have been used to number the pages in a book. How many pages does the book have? Sounds simple enough--if you have the right problem-solving skills. Solution provided.
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Activity
University of Cambridge

University of Cambridge: Nrich: Highest and Lowest

For Students 3rd - 5th
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: Shutting Puzzle

For Students 3rd - 8th
Sharpen your problem solving skills and figure out a solution for this interesting problem. The solution is on this one page website so that you can check your answer.
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Activity
University of Cambridge

University of Cambridge: Nrich: Single Track

For Students 3rd - 8th
See if you can figure out how to get two trains on a single track past each other using only a very short siding. Check your results right on this one page websites to see if your answer works.
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Activity
University of Cambridge

University of Cambridge: Nrich: Magic Circles

For Students 3rd - 8th Standards
Use your problem solving skills to figure out this challenge. A number of solutions are available right at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Two Dots

For Students 3rd - 8th
Sharpen your problem-solving skills with this challenge that has you place dots on a diagram so that only two are on each straight line.
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Activity
University of Cambridge

University of Cambridge: Nrich: Number Juggle

For Students 3rd - 8th
Use those problem solving skills to find a solution to this triangle problem. When you have your solution you can check it right on this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Numerically Equal

For Students 9th - 10th Standards
The challenge for this problem is to see if you can find rectangular shapes that have the same number for their perimeter and area. Solutions are available at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: 6 Beads

For Teachers K - 1st Standards
Use the diagram on this one page website to solve the problem. There are teacher notes and the solution is only a click away.
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Activity
University of Cambridge

University of Cambridge: Nrich: Biscuit Cookie Decorations

For Students 3rd - 8th
Solve this problem keeping in mind that cookies are called biscuits in England. Solution included.
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Activity
University of Cambridge

University of Cambridge: Nrich: Bunny Hop

For Students 3rd - 8th
You will want to "hop" right on this problem and see if you can find a solution at this one page website. Then you can check it right there.
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Activity
Joe Landsberger

Study Guides and Strategies: Solving Math Word Problems

For Students 9th - 10th
This site offers a guide for strategies used to solve word problems. Common phrases and their mathematical translations are included. This can be used by students while working on assignments.