University of Cambridge
University of Cambridge: Nrich: Noah
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 answer.
University of Cambridge
University of Cambridge: Nrich: Big Dog, Little Dog
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: Spiders and Flies
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.
Other
Math Stories: Draw a Picture
At this one page site you can work through step by step a sample problem that illustrates the problem solving strategy for "Draw a picture." The answer is right there to help you check your thinking.