University of Cambridge
University of Cambridge: Nrich: Sissa's Reward
On this one page website use a table to help you solve this problem about the chess board and grains of rice. The solution is available right on the website.
University of Cambridge
University of Cambridge: Nrich: 5 on the Clock
Use your math skills to solve this problem involving a digital clock face. Solution included.
University of Cambridge
University of Cambridge: Nrich: Six Is the Sum
You will probably want to make a list to figure out the solution to this problem. There are teacher notes and the solution right at this one page website.
University of Cambridge
University of Cambridge: Nrich: Ten Green Bottles
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.
University of Cambridge
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.
University of Cambridge
University of Cambridge: Nrich: Creating Cubes
On this one page website use a table to help you organize the information so that you can solve this cube problem. When you are finished you can check your answer right at the website.
University of Cambridge
University of Cambridge: Nrich: Making Boxes
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.
National Council of Teachers of Mathematics
Nctm: Figure This: Rose Bowl
A math challenge taken directly from the sports pages. Use your problem solving and data collection aptitude to find out how many different ways a Rose Bowl team could score 11 points. Try this one page activity from the NCTM Math...
University of Cambridge
University of Cambridge: Nrich: Arranging the Tables
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.
University of Cambridge
University of Cambridge: Nrich: Two Primes Make One Square
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.
University of Cambridge
University of Cambridge: Nrich: Penta Primes
Using only the single digits listed make as many prime numbers as you can for this challenge. After you have your list you can check this one page website and it will show you the solution.
University of Cambridge
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.
University of Cambridge
University of Cambridge: Nrich: The Lily Pond
Using your problem solving skills find the best way for Freddie to visit Sammy. On this one page website the solution is right there for you when you have found a solution.
University of Cambridge
University of Cambridge: Nrich: Page Numbers
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.
University of Cambridge
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.
University of Cambridge
University of Cambridge: Nrich: Alphabet Blocks
Help Santa and the elves keep track of how many blocks they need for their alphabet blocks. Solution provided.
University of Cambridge
University of Cambridge: Nrich: Shutting Puzzle
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.
University of Cambridge
University of Cambridge: Nrich: Shapes on the Playground
On this one page website the problem will require you to use your problem solving skills to find your solution. You can then check it right at the website against the solution they have available.
University of Cambridge
University of Cambridge: Nrich: Plates of Cookies
As you start to work on this problem, keep in mind that in England cookies are called biscuits. Solution provided.
University of Cambridge
University of Cambridge: Nrich: What Shape and Color?
Fill in the chart and see which shapes and which colors belong in which rows and columns. The solution is readily available at this one page website.
University of Cambridge
University of Cambridge: Nrich: Bunny Hop
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.
University of Cambridge
University of Cambridge: Nrich: Two Dice
Use your problem solving skills to work on this problem that has to do with dice. The solution is right on this one page website.
PBS
Pbs: Toothpicks: Patterns in Geometric Shapes
How can you describe the pattern made by a growing triangular shape? This interactive exercise focuses on using what you know about pattern recognition and completing a table so you have data you can use to graph the coordinates on a...
University of Cambridge
University of Cambridge: Nrich: Sticky Triangles
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.