Grades 6–10
Real Life Math
Real problems from the news and everyday life, worked out step by step: percent changes, interest, probability, growth and scale.

The Monty Hall Problem Explained: Why You Should Always Switch

Singapore Haze 2026: Is PSI 192 Twice as Bad as 94?

Probability of At Least One: 3 Missiles at 70% Each = 210%?

Gas Prices Going Down 2.5%? Percent Increase and Decrease Explained

US Debt Interest Payments Now Bigger Than Defense (21% of Revenue)

Fold Paper 42 Times to Reach the Moon? (Exponential Growth)

How to Measure the Width of a River or Pond (Similar Triangles)

Braking Distance Physics: Twice the Speed = 4× the Distance

Japan Earthquake False Alarm: M9.9 vs M6.9 — How Much Bigger?
