Understanding Perimeter in Rectangles

Understanding Perimeter in Rectangles

Assessment

Interactive Video

Mathematics, Education

3rd - 4th Grade

Hard

Created by

Emma Peterson

FREE Resource

The video tutorial explains how to find missing side lengths of a rectangle when given the perimeter and one side length. It starts with an introduction to the concept of perimeter, followed by a step-by-step solution to find the missing width of a rectangle. The tutorial then presents a second example, demonstrating how to calculate the missing length using a different approach. The video emphasizes understanding the relationship between perimeter and side lengths, using simple arithmetic to solve for unknowns.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the perimeter of a shape?

The area inside the shape

The length of all sides added together

The length of the longest side

The width of the shape

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a rectangle has a length of 10 inches and a perimeter of 24 inches, what is the width?

2 inches

6 inches

4 inches

8 inches

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the perimeter of a rectangle?

Length plus width plus height

2 times length plus 2 times width

Length plus width

Length times width

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the first example, what is the total length of the two known sides?

30 inches

24 inches

20 inches

10 inches

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a rectangle has a width of 8 inches and a perimeter of 36 inches, what is the length?

10 inches

12 inches

14 inches

16 inches

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What formula can be used to find the missing length if the width and perimeter are known?

Perimeter minus width

Perimeter plus width

Perimeter divided by width

Perimeter minus double the width, then divide by 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second example, what is the total width of the two known sides?

8 inches

16 inches

32 inches

24 inches

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