Exploring Area and Perimeter of Rectangles

Miss Gru introduces the concepts of area and perimeter, focusing on rectangles. She explains the formulas for calculating both, using real-world examples to illustrate the process. The video covers how to find the perimeter by adding the lengths of all sides and how to calculate the area by multiplying length and width. The session concludes with a recap of the learning objectives.

What does the formula A = l * w represent?

• Length of a rectangle

• Volume of a rectangle

• Area of a rectangle

• Perimeter of a rectangle

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle has a length of 20 feet and a width of 12 feet, what is its perimeter?

• 64 feet

• 32 feet

• 40 feet

• 84 feet

Tags

CCSS.4.MD.A.3

How do you calculate the perimeter of a rectangle?

• Subtract the width from the length

• Add all sides of the rectangle

• Multiply the length by the width

• Add the length to the width

Tags

CCSS.4.MD.A.3

If a garden's perimeter is 48 feet with lengths of 14 feet, what is the width?

• 10 feet

• 7 feet

• 20 feet

• 14 feet

Tags

CCSS.4.MD.A.3

How do you find the width of a rectangle if its perimeter and length are known?

• None of the above

• Divide the perimeter by the length

• Subtract the length from the perimeter

• Multiply the length by 2 and subtract from the perimeter

Tags

CCSS.3.MD.D.8

What is the perimeter of a rectangular patio that is 10 yards long and 8 yards wide?

• 36 yards

• 18 yards

• 40 yards

• 28 yards

Tags

CCSS.4.MD.A.3

What is the area of a rectangle with a length of 9 feet and a width of 13 feet?

• 122 square feet

• 108 square feet

• 22 square feet

• 117 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

A square has a side length of 22 meters. What is its area?

• 242 square meters

• 44 square meters

• 484 square meters

• 88 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What unit of measurement is used for area?

• Meters

• Cubic centimeters

• Square meters

• Linear feet

A table top is 6 feet long and 4 feet wide. What is its area?

• 30 square feet

• 24 square feet

• 10 square feet

• 20 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3