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Find Percentages of the Given Numbers

In this worksheet, students find a percentage of a given number.

'Find Percentages of the Given Numbers' worksheet

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Define, Interpret and Compare Percentages

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

This worksheet is about finding a percentage of a number.

It is easy to find 10% of a number. You just divide the number by 10, because 10% means

10
100
or
1
10

 

When you know 10%, you can find other simple percentages.

5%   (÷ 2)

20% (× 2)

40% (× 4)

45% (40% + 5%)

and so on.


Example

Find 65% of 340.

 

10% is 34

 

5% is 34 ÷ 2 = 17

60% is 6 × 34 = 204


65% of 340 = 204 + 17 = 221

Find

10% of 800

Find

90% of 800

 

Find

10% of 690

 

 

Find

20% of 690

     

 

 

Find

10% of 510

     

 

 

Find

30% of 510

     

 

 

Find

15% of 180

     

 

Find

85% of 80

 

 

Find

25% of 280

 

Find

75% of 840

 

  • Question 1

Find

10% of 800

CORRECT ANSWER
80
EDDIE SAYS
10% is divide by 10 10% of 800 = 80
  • Question 2

Find

90% of 800

CORRECT ANSWER
720
EDDIE SAYS
10% is divide by 10 10% of 800 = 80 90% is 10% x 9 80 x 9 = 720
  • Question 3

 

Find

10% of 690

 

CORRECT ANSWER
69
EDDIE SAYS
10% is divide by 10 10% of 690 = 69
  • Question 4

 

Find

20% of 690

     

 

CORRECT ANSWER
138
EDDIE SAYS
10% is divide by 10 10% of 690 = 69 20% is 10% x 2 69 x 2 = 138
  • Question 5

 

Find

10% of 510

     

 

CORRECT ANSWER
51
EDDIE SAYS
10% is divide by 10 10% of 510 = 51
  • Question 6

 

Find

30% of 510

     

 

CORRECT ANSWER
153
EDDIE SAYS
10% is divide by 10 10% of 690 = 69 30% is 10% x 3 51 x 3 = 153
  • Question 7

 

Find

15% of 180

     

 

CORRECT ANSWER
27
EDDIE SAYS
10% is divide by 10 10% of 180 = 18 5% is half of 10% 18 ÷ 2 = 9 18 + 9 = 27
  • Question 8

Find

85% of 80

 

CORRECT ANSWER
68
EDDIE SAYS
10% is divide by 10 10% of 80 = 8 5% is half of 10% 8 ÷ 2 = 4 80% is 8 times 10% 8 x 8 = 64 85% is 80% + 5% 64 + 4 = 68
  • Question 9

 

Find

25% of 280

 

CORRECT ANSWER
70
EDDIE SAYS
There are 4 25% in 100%, so to find 25% we divide by 4. 280 ÷ 4 = 70
  • Question 10

Find

75% of 840

 

CORRECT ANSWER
630
EDDIE SAYS
Find 25% of 840 840 ÷ 4 = 210 75% is three lots of 25% 210 x 3 = 630
---- OR ----

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