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University of Cambridge: Nrich: Four Colors Problem
See if you can arrange the cubes according to the directions to solve this challenge. This one page website includes the solution.
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University of Cambridge: Nrich: Color in the Square
On this one page website use the graphics right online to help you solve this problem. You can check your solution right at the website.
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University of Cambridge: Nrich: Home Time
Use the clues and logic to solve this car pool problem. The solution provided allows you to check your results.
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University of Cambridge: Nrich: A Shapey Network
Sharpen your problem solving and logic skills on this network activity. There is a "Printable Page," link if you want to print it out to help you with your strategy.
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University of Cambridge: Nrich: Routes 1 and 5
Sharpen your logic and basic arithmetic skills while working on this challenge. Solution.
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University of Cambridge: Nrich: Path to the Stars
See if you can solve this challenge with a 5 point star. What about a 6 point star? 7? 8? 9? The one page website gives you the solution so that you can check your answer.
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University of Cambridge: Nrich: Find a Path
Sharpen your problem solving and logic skills on this network activity, Find A Path. There is a "Printable Page," link if you want to print it out to help you with your strategy.
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University of Cambridge: Nrich: In the Money
On this one page website sharpen your logic, money, and fraction skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Fun Time
On this one page website sharpen your logic and fraction skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Dividing a Cake
Sharpen your logic, addition, and fraction skills while working on this challenge. Solution available.
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University of Cambridge: Nrich: Fractions in a Box
On this one page website sharpen your logic and fraction skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Coordinate Tan
Enter the World of Tan. The solutions to these challenges are located right on the website.
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University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
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University of Cambridge: Nrich: Transformation Tease
Follow the directions at this one page website. You will get lots of practice plotting points on the coordinate grid and experience with transformational geometry.
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University of Cambridge: Nrich: Treasure Island
See if you can find what the ordered pairs are for each of the items on the map. This one page website will help you practice plotting points on the grid. You can check the answers right on the website.
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University of Cambridge: Nrich: What Are You Plotting?
This one page website is for practicing graphing ordered pairs. It lets you know right away if your choice is incorrect. At the bottom of the page their is a challenge with the solution just a click away.
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University of Cambridge: Nrich: The Magic Number and the Hepta Tree
Use your calculator to help you solve this challenge at this one page website. You can check your solution with only one click of the mouse.
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University of Cambridge: Nrich: Money Bags
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.
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University of Cambridge: Nrich: All the Digits
This site has a logic and reasoning math problem.
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University of Cambridge: Nrich: Reach 100
This one page website offers a challenge that will require you to use your problem solving skills. The solution is available right at the website.
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University of Cambridge: Nrich: Back to the Planet of Vuv
You will probably need to make a list to solve the challenge at this one page website.
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University of Cambridge: Nrich: Napier's Bones
Use this one page website to learn how to multiply and divide a "new" way. This method was invented over 400 years ago by John Napier. A detailed explanation is only a click away.
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University of Cambridge: Nrich: Multiplication Squares
On this one page website sharpen your logic and multiplication skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Divide It Out!
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.