Calculating Perimeters of Rectangles

Calculating Perimeters of Rectangles

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers grade three geometry problems, focusing on calculating perimeters of squares and rectangles. It begins with a problem about a square with a perimeter of 24 inches, explaining how to find the side length using division. The tutorial then moves to rectangles, demonstrating how to find different length and width combinations for a given perimeter of 18 centimeters. Strategies for solving these problems, such as using addition pairs and doubling, are discussed. The video concludes with exercises involving charts and doubling perimeters to find possible dimensions for rectangles.

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28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the perimeter of a square if each side is 6 inches long?

30 inches

24 inches

18 inches

36 inches

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a square has a perimeter of 24 inches, what is the length of one side?

4 inches

7 inches

5 inches

6 inches

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many sides does a square have?

2

3

5

4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the dimensions of a rectangle with a perimeter of 18 cm?

Multiply by 3

Divide by 3

Divide by 2

Multiply by 2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a possible dimension for a rectangle with a perimeter of 18 cm?

5 cm by 4 cm

6 cm by 3 cm

7 cm by 2 cm

8 cm by 1 cm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different rectangles can be drawn with a perimeter of 18 cm?

5

4

3

2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the perimeter of a rectangle if its length is 8 cm and width is 1 cm?

22 cm

20 cm

18 cm

16 cm

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