Scholastic
Scholastic: Max's Math Adventures: A Hairy Situation
Help Max make a bar graph to show the hair colors of his classmates. Teachers will appreciate the activities with bar graphs in the extra challenges. Use the teacher's guide to create a fun and engaging lesson.
University of Cambridge
University of Cambridge: Nrich: Cross Country Race
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.