Comparing Areas of Rectangles

The video tutorial compares the areas of two rectangular posters, one belonging to Mary and the other to Susan. It begins by introducing the dimensions of each poster. The tutorial then calculates the area of Mary's poster as 720 square inches and Susan's as 780 square inches. Finally, it concludes that Susan's poster has a larger area by 60 square inches.

What are the dimensions of Mary's poster?

• 20 inches by 36 inches

• 30 inches by 26 inches

• 36 inches by 20 inches

• 26 inches by 30 inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you calculate the area of a rectangle?

• Divide the length by the width

• Subtract the width from the length

• Add the length and width

• Multiply the length by the width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of Mary's poster?

• 720 square inches

• 780 square inches

• 800 square inches

• 600 square inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What are the dimensions of Susan's poster?

• 36 inches by 20 inches

• 26 inches by 30 inches

• 20 inches by 36 inches

• 30 inches by 26 inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of Susan's poster?

• 600 square inches

• 720 square inches

• 800 square inches

• 780 square inches

Tags

CCSS.3.MD.C.5A

Which poster has a larger area?

• Cannot be determined

• Susan's poster

• Mary's poster

• Both have the same area

By how many square inches is Susan's poster larger than Mary's?

• 80 square inches

• 70 square inches

• 50 square inches

• 60 square inches

What is the difference in area between the two posters?

• 40 square inches

• 80 square inches

• 100 square inches

• 60 square inches