- General Math
- Proportional Reasoning
In the summer months, a common problem people suffer from is dehydration – not enough water in their body. Waiting until you feel thirsty is not a good indicator that it’s time to drink water. In fact...
- Algebraic Expressions and Equations
- General Math
- Percents and Fractions
- Problem Solving (Misc.)
When Riya’s alarm went off on the first day of her senior year in high school, she hit the snooze button and slept for another 10 minutes. When the alarm sounded the next time, Riya got up and...
- Algebraic Expressions and Equations
- Plane Geometry
- Problem Solving (Misc.)
Video by Art of Problem Solving's Richard Rusczyk.
- Plane Geometry
- Proportional Reasoning
Video by Art of Problem Solving's Richard Rusczyk.
- Measurement
Finalist in the 2017-2018 Math Video Challenge. This video was created by Salk School of Science.