# Area and perimeter

3 videos
2 skills
Rectangles are common shapes that you will often find the need to compare. Who has a bigger poster size? Who's yard has more grass to mow? We'll learn about length, width, area, and perimeter--about all you need to know to begin comparing!

### Area and perimeter word problem: width of a dog pen

VIDEO 3:14 minutes
If you know the perimeter and the length of a rectangle, you can figure out the width. Don't believe us? Watch and become a believer.

### Area and perimeter word problem: table dimensions

VIDEO 4:46 minutes
If you know the area and perimeter of a rectangle, you can figure out the length and width. STILL don't believe us?Just watch.

### Area and perimeter word problem: comparing areas of rectangles

VIDEO 2:21 minutes
We know the length and width of two rectangles. Guess what? We can compare the areas!

### Area problems

PRACTICE PROBLEMS
Find the area of rectangles and squares when given side lengths. Find the side length of a square when given the area.

### Area and perimeter of rectangles word problems

PRACTICE PROBLEMS
Find the missing side length of a rectangle when given its perimeter or area. Compare perimeters and areas of rectangles.