Scholastic
Scholastic: Math Maven's Mysteries
Scholastic.com offers information on how to use the Math Maven's Mysteries to enhance problem-solving skills, partly through class discussion. For the actual mysteries, click on Math Maven Home.
University of Cambridge
University of Cambridge: Nrich: Tom's Number
Use the clues Tom gives you to figure out his number. The solution is right there on this one page website.
University of Cambridge
University of Cambridge: Nrich: Calendar Calculations
Follow the directions and use your problem solving skills on this one page website to help you find the solution. Solutions are available right on the NRich website.
National Council of Teachers of Mathematics
The Math Forum: The Cereal Box Problem
A cereal company is offering six different prizes in their boxes. How many boxes would you expect to have to purchase in order to collect all six prizes? Known as the Cereal Box Problem, this question is explored here. A solution is...