In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you how to add fractions with numbers and then move to trigonometric expressions ...

"Many more jobs are requiring students to have knowledge of statistics and probability," said Robin Moore of the Connecticut Council of Leaders of Mathematics.

In Kristi Fowler’s transitional kindergarten classroom, 4-year-olds learn math by counting steps as they jump and by sorting objects by shape or color. They can skip-count by 10s to get up to 100 and ...