# Numbers: Working Out the Percentage

In this worksheet, students work out a percentage of a number without using a calculator. Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Percentages

Difficulty level:   ### QUESTION 1 of 10

In this worksheet, you must calculate percentages of numbers without using a calculator.

Example

Find 40% of 240

First we find 10% of 240 by dividing 240 by 10.

240 ÷ 10 = 24.

Next we multiply this by 4 to get 40% of 240.

24 x 4 = 96

So to summarise,

100% of 240 = 240

10% of 240 =   24

40% of 240 =   96

Find 30% of 570.

Find 40% of 20.

Find 90% of 780.

Find 70% of 300.

Find 30% of 900.

Find 40% of 130.

Find 40% of 170.

Find 60% of 330.

Find 40% of 430.

Find 80% of 810.

• Question 1

Find 30% of 570.

171
• Question 2

Find 40% of 20.

8
• Question 3

Find 90% of 780.

702
• Question 4

Find 70% of 300.

210
• Question 5

Find 30% of 900.

270
• Question 6

Find 40% of 130.

52
• Question 7

Find 40% of 170.

68
• Question 8

Find 60% of 330.

198
• Question 9

Find 40% of 430.

172
• Question 10

Find 80% of 810. 