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  1. Maths
  2. Year 7
  3. Using a Calculator
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Use a Calculator to Find Percentages of Numbers

In this worksheet, students use a calculator to find percentages of numbers.

'Use a Calculator to Find Percentages of Numbers' worksheet

Key stage:  KS 3

Curriculum topic:  Number

Curriculum subtopic:  Use Calculators/Technology for Accuracy

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

To find a percentage of a number we can use a calculator.  

 

25% is the same as 0.25

2% is the same as 0.02

125% is the same as 1.25

 

Example 1

Use a calculator to find the following percentage:

32% of 420

 

Answer 1

On your calculator, type:

0.32 x 420 = 134.4

 

 

Example 2

Use a calculator to find the following percentage:

144% of 250

 

Answer 2

On your calculator, type:

1.44 x 250 = 360

Use a calculator to find the following percentage:

 

28% of 91

Use a calculator to find the following percentage:

 

4% of 75

Use a calculator to find the following percentage:

 

4% of 130

Use a calculator to find the following percentage:

 

129% of 139

Use a calculator to find the following percentage:

 

13% of 104

Use a calculator to find the following percentage:

 

149% of 242

Use a calculator to find the following percentage:

 

87% of 77

Use a calculator to find the following percentage:

 

58% of 155

Use a calculator to find the following percentage:

 

26% of 216

Use a calculator to find the following percentage:

 

128% of 94

  • ANSWERS
  • Question 1

Use a calculator to find the following percentage:

 

28% of 91

CORRECT ANSWER
25.48
EDDIE SAYS
28% is a multiplier of 0.28 0.28 × 91 = 25.48
  • ANSWERS
  • Question 2

Use a calculator to find the following percentage:

 

4% of 75

CORRECT ANSWER
3
EDDIE SAYS
4% is a multiplier of 0.04 0.04 × 75 = 3
  • ANSWERS
  • Question 3

Use a calculator to find the following percentage:

 

4% of 130

CORRECT ANSWER
5.2
EDDIE SAYS
4% is a multiplier of 0.04 0.04 × 130 = 5.2
  • ANSWERS
  • Question 4

Use a calculator to find the following percentage:

 

129% of 139

CORRECT ANSWER
179.31
EDDIE SAYS
129% is a multiplier of 1.29 1.29 × 139 = 179.31
  • ANSWERS
  • Question 5

Use a calculator to find the following percentage:

 

13% of 104

CORRECT ANSWER
13.52
EDDIE SAYS
13% is a multiplier of 0.13 0.13 × 104 = 13.52
  • ANSWERS
  • Question 6

Use a calculator to find the following percentage:

 

149% of 242

CORRECT ANSWER
360.58
EDDIE SAYS
149% is a multiplier of 1.49 1.49 × 242 = 360.58
  • ANSWERS
  • Question 7

Use a calculator to find the following percentage:

 

87% of 77

CORRECT ANSWER
66.99
EDDIE SAYS
87% is a multiplier of 0.87 0.87 × 77 = 66.99
  • ANSWERS
  • Question 8

Use a calculator to find the following percentage:

 

58% of 155

CORRECT ANSWER
89.9
EDDIE SAYS
58% is a multiplier of 0.58 0.58 × 155 = 89.9
  • ANSWERS
  • Question 9

Use a calculator to find the following percentage:

 

26% of 216

CORRECT ANSWER
56.16
EDDIE SAYS
26% is a multiplier of 0.26 0.26 × 216 = 56.16
  • ANSWERS
  • Question 10

Use a calculator to find the following percentage:

 

128% of 94

CORRECT ANSWER
120.32
EDDIE SAYS
128% is a multiplier of 1.28 1.28 × 94 = 120.32
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