Calculating a Percentage of a Whole Number: Solving 80% of 115

Calculating a Percentage of a Whole Number: Solving 80% of 115

Assessment

Interactive Video

Mathematics

4th - 6th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to calculate percentages using a step-by-step approach. It begins by identifying 115 as 100% and demonstrates how to find 10% by dividing 115 by 10. The tutorial then shows how to calculate 80% by multiplying 11.5 by 8, ensuring the decimal point is correctly placed. The final answer is confirmed as 92, with a detailed explanation of each step involved in the calculation.

Read more

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding 10% of 115?

Subtract 10 from 115

Add 10 to 115

Divide 115 by 10

Multiply 115 by 10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After dividing 115 by 10, what is the result?

10.5

1.15

115

11.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate 80% of 115 after finding 10%?

Multiply 115 by 8

Divide 11.5 by 8

Multiply 11.5 by 8

Add 11.5 to 8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying 8 by 5 in the calculation?

50

35

45

40

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final answer for 80% of 115?

91.5

92.0

92.5

90.0

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?