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Activity
University of Cambridge

University of Cambridge: Nrich: Making Boxes

For Students 3rd - 8th Standards
Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.
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Activity
University of Cambridge

University of Cambridge: Nrich: Making Cuboids

For Students 3rd - 8th Standards
How many different cuboids can you make? Learn how and learn how to represent data with your results.
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Activity
University of Cambridge

University of Cambridge: Nrich: Heads and Feet

For Students 3rd - 8th Standards
Solve this problem about hens and sheep and practice your algebraic thinking all at the same time. A solution is provided at this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Mind Reader

For Students 3rd - 8th Standards
This series of operations always yields the same answer. Use your problem solving and algebraic skills and see if you can find the solution. When you have you can check the solution on this one page website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Whose Sandwich?

For Students 3rd - 8th
On this one page website logic and reason will help you figure out who ordered which sandwich. Check your results against the solution they provide at this website.
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Activity
University of Cambridge

University of Cambridge: Nrich: How Many Eggs?

For Students 3rd - 8th
Use the clues at this one page website to figure out just how many chocolate eggs each child will receive. The solution is available when you figure it out.
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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: Why 8?

For Students 3rd - 8th Standards
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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Activity
University of Cambridge

University of Cambridge: Nrich: Special 24

For Students 3rd - 8th Standards
On this one page website sharpen your logic, square number, 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: Octa Space

For Students 3rd - 4th Standards
At this one page web site see if you can solve this puzzle involving the edges of an octahedron. You will definitely need to use your problem solving and spatial reasoning skills for this!
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Activity
University of Cambridge

University of Cambridge: Nrich: Zargon Glasses

For Students 3rd - 8th
On this one page website using logic you can help Zump figure out which combination of glasses go to which members of the 9 families who ordered glasses one day. Check your answer against the solution provided by the website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Train Timetable

For Students 3rd - 8th
Reasoning will help you figure out the timetable for the trains in this problem. Construct a table and see if it matches the solution this one page website provides.
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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: Arranging the Tables

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: Team Scream

For Students 3rd - 8th
This logic problem will require you to figure out a variety of combinations. The solution is available on this one page NRich website.
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Activity
University of Cambridge

University of Cambridge: Nrich: Calendar Cubes

For Students 3rd - 8th
Solve this problem using your reasoning problem solving skills. The solution is available on this one page website.
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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: A Rod and a Pole

For Students 3rd - 8th
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.
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Activity
University of Cambridge

University of Cambridge: Nrich: Good Work if You Can Get It

For Students 3rd - 8th Standards
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: Trick or Treat

For Students 3rd - 5th
On this one page website sharpen your logic, graphing and pattern recognition 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: Penta Place

For Students Pre-K - 1st
Sharpen your logic and pattern recognition skills while working on this challenge. Solution included.
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Activity
University of Cambridge

University of Cambridge: Nrich: Sometimes We Lose Things!

For Students 3rd - 8th
On this one page website sharpen your logic, base nine, and pattern recognition 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: Seven Sticks

For Students K - 1st Standards
On this one page website sharpen your logic, triangle properties, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
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Interactive
Quia

Quia: Nature of Science Scientific Method Concentration

For Students 3rd - 8th
Play a game of concentration by matching terms used in the scientific method to their proper description.