Mathematics
Numbers, formulas, geometry, & practices
Key Formulas & Rules
- PEMDAS: Parentheses, Exponents, Mult/Div, Add/Sub
- Area of a Circle: $A = \pi r^2$
- Pythagorean Theorem: $a^2 + b^2 = c^2$
- Slope-Intercept Form: $y = mx + b$
Recommended Sites
- Khan Academy — Video lessons & exercises
- IXL Math — Interactive K-12 practice
- Desmos — Graphing calculator
Timeline Strategies
Recommended Sites