Middle school math articles cover the bridge between elementary arithmetic and high school algebra: ratios and proportions, integers and rational numbers, expressions and equations, the Pythagorean theorem, slope and linear functions, and introductory statistics and probability. Each guide explains the idea with several worked examples and a short practice set.
3 guides, sorted newest first.
The a² + b² = c² formula explained simply, with a visual proof, worked examples, Pythagorean triples, and applications to distance and ladders.
Rise over run, the two-point slope formula, slope-intercept form $y = mx + b$, and how to graph a line — explained simply.
Equivalent ratios, cross multiplication, unit rates, and word problems — explained step by step with practice problems.