Learners define properties of fractions and solve for them. In this algebra lesson, students rewrite fractions from mixed numbers to improper fractions. They reduce fractions using the GCF and convert the denominators correctly when...

Students solve trigonometric equations. For this precalculus lesson, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.