Activity
University of Cambridge

University of Cambridge: Nrich: Roll These Dice

For Students 3rd - 5th
Sharpen your problem solving, sequencing, and spatial reasoning skills playing this interactive game, Roll The Dice. See how many different paths you can take to end up with the same result.
Activity
University of Cambridge

University of Cambridge: Nrich: Magic Squares

For Students 3rd - 8th Standards
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
Activity
University of Cambridge

University of Cambridge: Nrich: 2, 4, 6, 8

For Students Pre-K - 1st Standards
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.
Interactive
University of Cambridge

University of Cambridge: Nrich: Shapely Tiling

For Students Pre-K - 1st
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.
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.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Seven Square Numbers

For Students 3rd - 8th Standards
On this one page website sharpen your logic, square numbers, and problem solving skills while working on this challenge. The solution is available to double check your solution.
Interactive
University of Cambridge

University of Cambridge: Nrich: Cycling Squares

For Students 6th - 8th
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Making Squares

For Students 3rd - 4th
On this one page website sharpen your logic, spatial sense, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Unit Plan
University of Cambridge

University of Cambridge: Nrich: Fencing

For Students 3rd - 8th
On this one page website sharpen your logic, area, perimeter, and pattern recognition skills while working on this unique fencing challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Sticky Triangles

For Students 3rd - 4th
On this one page website sharpen your logic, table making, and pattern recognition skills while working on this triangle challenge. The solution is available to double check your solution.
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.
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!
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.
Interactive
University of Cambridge

University of Cambridge: Nrich: Daisy Game

For Students Pre-K - 1st
Sharpen your problem solving and strategy skills by playing this interactive game. The game's rules are simple, but play requires some thinking if you want to beat the computer. You can change the settings and see if your strategy works...
Activity
University of Cambridge

University of Cambridge: Nrich: A Square Deal

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

University of Cambridge: Nrich: Two Primes Make One Square

For Students 3rd - 8th
On this one page website sharpen your logic, prime numbers and square numbers skills while working on this challenge. The solution is available to double check your solution.
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.
Activity
University of Cambridge

University of Cambridge: Nrich: Games the Triangle Game

For Students 4th - 7th
Use this game to improve your knowledge and understanding of triangles and naming vertices. Just read and follow the instructions! [Requires Java.]
Activity
University of Cambridge

University of Cambridge: Nrich: Domino Square

For Students 3rd - 8th
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.
Interactive
University of Cambridge

University of Cambridge: Nrich: Dicey Operations

For Students 6th - 9th
Dice throwing games are played with a 0-9 dice and teams of two. Students should understand why are some cells more significant than others, how do you decide which targets are appropriate, and what are effective strategies for placing...
Activity
University of Cambridge

University of Cambridge: Nrich: Clever Santa

For Students 3rd - 8th
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.
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.