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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: One Big Triangle
On this one page website sharpen your logic and addition facts skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Super Value Codes
On this one page website sharpen your logic and addition 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: 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: 5 on the Clock
Use your math skills to solve this problem involving a digital clock face. Solution included.
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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: 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.
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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: Clever Santa
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.
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University of Cambridge: Nrich: Gift Stacks
Figure out how many gifts are in each stack using the clues that are given. The solution is available at this one page website.
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University of Cambridge: Nrich: Planet Plex Time
At this one page website you can sharpen your logic and counting skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Eggs in Baskets
At this one page website you will not be carrying all your eggs in one basket. Use the clues to figure out how many eggs are in each of the baskets listed. When you have your solution check to see if it is the same as the one available...
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University of Cambridge: Nrich: Adding Plus
On this one page website sharpen your logic and addition skills while working on this challenge. The solution is available to double check your solution.
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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: Number Detective
On this one page website sharpen your logic and place value skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: Skip Counting
Follow the clues Froggie gives you to help her skip count her way to the pumpkin patch. There are several solutions and you can check yours against the solutions right at this one page website.
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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: Star Find
This one page website offers two interesting tiling problems. The solution is provided here as well.
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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.