Area and Perimeter

4.5A/4.5D

Strip diagrams, area and perimeter!​

By ALEXIS BALBONI

Multiple Select

How do we find perimeter?

(CHOOSE 3)

• Length x Width

• 2 (L+W)

• Add up all the sides

• L + W + L + W

Multiple Choice

What is the PERIMETER of this rectangle?

• 22 sq. ft.
• 22
• 22 cm
• 22 yd.

Multiple Choice

Mrs. Huerta walks around the perimeter of a square playground every day for exercise. Each side of the playground is 29 yards long.

What is the perimeter of the playground in yards?

• 841 yds

• 116 yds

• 360 yds

• 58 yds

Multiple Select

How do we find area?

• Length x Width

• 2 (L+W)

• Add up all the sides

• L + W + L + W

Multiple Choice

What is the area of the rectangle?

• 15 square cm
• 15 cm
• 8 square cm
• 16 cm

Multiple Choice

Adam wanted to make a dog pen with an area of 36 square feet.  What could the dimensions of his dog pen be?

• 3 feet by 6 feet
• 9 feet by 9 feet
• 9 feet by 4 feet
• 5 feet by 6 feet

Multiple Choice

Mr. Weston had a rectangular piece of paper that was 90 mm long and 50 mm wide. He cut the paper in half. What is the area of each half of the paper in square millimeters?

• 4,500 square millimeters

• 9,000 square millimeters

• 2,250 square millimeters

• 1,125 square millimeters

Multiple Choice

The model represents Norman’s rectangular backyard garden. Norman will plant carrots in the rectangular section of the garden labeled “Carrots” in the model.

What is the area in square feet of the section where Norman will plant carrots?

• 40 square feet

• 224 square feet

• 336 square feet

• 84 square feet

​MOVING ONTO STRIP DIAGRAMS

​

First one to say the word "MATH" out loud gets a piece of candy​

Multiple Choice

What equation matches the strip diagram?

• 36 - 9 = M
• 36 x M = 9
• 36 ÷ 9 = M
• M x 8 = 36

Multiple Choice

Abby drew this strip diagram.  What equation matches her strip diagram.

• 30 x 5 = C
• (30 x 5) + 11 = C
• (30 ÷ 5) + 11 = C
• 30 + 11 + 5 = C

Multiple Choice

Madeline has 4 rolls of tape. Each roll contains 63 inches of tape. Madeline used 42 inches of tape f or a project. Which diagram shows a way to find n, the number of inches of tape that Madeline has left?

• A

• B

• C

• D

Multiple Choice

Sabra read a total of 185 pages in three days.

• On the first day, she read 85 pages.
• On the second and third days, she read the same number of pages.

Which diagram shows a way to find p, the number of pages Sabra read on the third day?

Open Ended

What's your favorite food?