Lessons

Use area models to find the area of rectangles
In this lesson you will learn how to find the area of a rectangle by using area models.

Find the area of a rectangle using the standard formula
In this lesson you will learn to find the area of a rectangle by using an algorithm.

Find the perimeter of a rectangle using an area model
In this lesson you will learn how to find the perimeter of a rectangle by using area models.

Find missing side lengths using the formula for perimeter
In this lesson you will learn how to determine the missing length of a rectangle by applying the perimeter formula for a rectangle.
Resources