## CHAPTER 8: MEASUREMENT

**Lesson 4: Perimeters and Areas of Rectangles **

**Goal**

Compare rectangles with the same perimeter or the same area.

**Instructions for Use**

**Calculate the Area of a Rectangle**

Read the instructions, scroll down to the Practice box, and click on “Start.” Calculate area, type your answer in the empty text box, and click “check” to see if you are correct.

**Area Explorer**

You will be given a shape on a grid. Find the area, type your answer in the empty text box, and click on “Check Answer” to see if you are correct.

**Exploring Area**

Use the arrows to increase or decrease the length or the width of the rectangle. You will see the are calculation change accordingly.