Students learn how to write an equation to find the area of rectangles. In this lesson, students will learn how to write an equation to find the area of rectangles by thinking of them as an array. / ...

We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple third-grade math problem manages to trip us up and make us question our ...

Students will learn how to draw an array based on a multiplication equation. In this lesson, students will learn how to draw an array based on a multiplication equation written by the number of groups ...