University of Cambridge
University of Cambridge: Nrich: Tessellating Triangles
The challenge at this one page website, involves tessellation and triangle. Should you accept this challenge, you will find helpful teacher notes and the solution available right at the website.
University of Cambridge
University of Cambridge: Nrich: Egyptian Rope
See how many different regular polygons you can make using the 12 knot Egyptian rope at this one page website. Check your solution right at the website.
University of Cambridge
University of Cambridge: Nrich: Number Juggle
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.
University of Cambridge
University of Cambridge: Nrich: Dicey
If you can visualize a cube and turn it around in your mind, then this is the challenge for you. This one page website has the solution available to check your thinking.
University of Cambridge
University of Cambridge: Nrich: Trick or Treat
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.
University of Cambridge
University of Cambridge: Nrich: Penta Place
Sharpen your logic and pattern recognition skills while working on this challenge. Solution included.
University of Cambridge
University of Cambridge: Nrich: Tricky Track Game
The directions on this site are for an interesting, two-player dice game named Tricky Track. Grab a partner and play. Do your results surprise you?
University of Cambridge
University of Cambridge: Nrich: Seven Sticks
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.
Joe Landsberger
Study Guides and Strategies: Solving Math Word Problems
This site offers a guide for strategies used to solve word problems. Common phrases and their mathematical translations are included. This can be used by students while working on assignments.
University of Cambridge
University of Cambridge: Nrich: Calendar Patterns
On this one page website sharpen your logic and pattern recognition skills while working on this calendar challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Count the Trapeziums (Trapezoids)
The challenge at this one page website, is to see how many trapezoids (British-trapeziums) you can find in the figure. When you have your results, you can easily check it right at the website.
Help Algebra
Help algebra.com: Problem Solving Strategies
The steps for solving word problems are presented here along with suggestions of how to carry out each step. Learn how to understand, plan, write equations, solve and check each time you work a word problem.
National Council of Teachers of Mathematics
Nctm: Figure This: Monday's Child
Do you know what day of the week were you born? You can find the exact day when you try this math challenge that explores problem solving with algorithms. Find out how scientist and statisticians use algorithms in their jobs. A one page...
University of Cambridge
University of Cambridge: Nrich: The Pi Are Square
Use the formula given for the area of a circle and a square to solve this challenge. This one page website has the solution available for you.
University of Cambridge
University of Cambridge: Nrich: Appearing Square
The challenge presented at this one-page website offers an opportunity to work with the area of a rectangle. The solution is available right on the website.
University of Cambridge
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.
Other
Math Stories: Write a Number Sentence
At this one page site you can work through step by step a sample problem that illustrates the problem solving strategy for "Write a number sentence." The answer is right there to help you check your thinking.