Pythagorean Theorem Explained: Find Missing Side Lengths in Right Triangles

The Pythagorean Theorem and learn how to calculate missing side lengths in right-angled triangles with clear formulas, diagrams, examples, and practice problems.
How to Find the Greatest Common Factor and Least Common Multiple

Step‑by‑step guide to finding the Greatest Common Factor (GCF) and Least Common Multiple (LCM) for any set of numbers. Includes prime factorization, Euclidean method, examples, and practice questions.
How to Work with Ratios and Solve Proportions

Master ratios and proportions with this step‑by‑step guide. Learn to simplify ratios, set up and solve proportions, and apply them to real‑life problems with examples and practice questions.
How to Calculate Percentages

Learn what percentages mean and master calculating percentages, percent of a number, and percent change with step‑by‑step formulas, examples, and practice questions.