Understanding Area Calculation of a Rectangle

Understanding Area Calculation of a Rectangle

Assessment

Interactive Video

Mathematics

4th - 8th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to find the area of a rectangle, emphasizing the importance of using consistent units. It begins by introducing the formula for the area of a rectangle, which is length times width. The tutorial highlights a common mistake of multiplying numbers with different units, such as inches and feet. It then demonstrates how to convert feet to inches to ensure accurate calculations. Finally, the video calculates the area using the correct units, resulting in an area of 960 square inches.

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the basic formula for finding the area of a rectangle?

Length minus width

Length times width

Length plus width

Length divided by width

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it incorrect to multiply 8 inches by 10 feet directly when calculating area?

Because the formula is wrong

Because 8 is not a valid number

Because 10 is too large

Because the units are different

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step to take when you have different units in a calculation?

Add the units together

Multiply the units

Convert all measurements to the same unit

Ignore the units

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many inches are there in one foot?

12

11

10

13

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a rectangle's length is given in feet and width in inches, what should you do before calculating the area?

Convert the width to feet

Add the length and width

Convert the length to inches

Subtract the width from the length

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area of a rectangle with dimensions 8 inches by 120 inches?

840 square inches

800 square inches

960 square inches

720 square inches

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you always remember to include when calculating area?

The color of the rectangle

The type of material

The units, specifically squared units

The perimeter

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 8 inches by 120 inches?

720

960

840

800