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Khan Academy

Khan Academy: Pythagorean Theorem Challenge

For Students 9th - 10th
Solve real-world problems that can be modeled by right triangles, using the Pythagorean Theorem!
Website
National Council of Teachers of Mathematics

The Math Forum: Famous Problems in the History of Mathematics

For Students 9th - 10th
On this site, there are several math problems to explore and solve. Look through some solutions by famous mathematicians and expand your thinking about some interesting math concepts. Teachers of elementary grades may want to use this...
Activity
University of Cambridge

University of Cambridge: Maths and Sports: The Olympic Torch Tour

For Students 9th - 10th
Can you find the best route for the Olympic Torch relay to take? This more challenging activity is designed to be accessible to GCSE maths students (grades 8, 9, and 10).
Article
Other

Roots of Action: How Kids Learn to Take Initiative and Overcome Challenges

For Teachers Pre-K - 1st
Learning to take initiative is a behavior that helps kids navigate their lives with courage and optimism. This article provides insights into how children learn to take initiative. Parents and teachers are key mentors in the process. A...
Handout
University of Georgia

University of Georgia: Inter Math: Interactive Math Dictionary

For Students 9th - 10th
Each term of Intermath's interactive math dictionary contains a description and links to related terms, everyday examples, interactive checkpoint, more information, and challenges located in the left-hand column of the page. This...