Ratio, proportion and rates of changeKey Stage 3

Finding a percentage by combining simple percentages

Build a percentage from 10%, 5% and 1%.

  • Find useful simple percentages first.
  • Combine them to make the required percentage.
  • Keep track of the percentage attached to each amount.

Example 1

Find of without a calculator.

10%
5%
Combine the useful percentages.

Example 2

Find of without a calculator.

10%
1%
Combine the useful percentages.

Your turn

Question 1

Find of without a calculator.

Check answer
10%
5%
Combine the useful percentages.
Question 2

Find of without a calculator.

Check answer
10%
1%
Combine the useful percentages.
Question 3

Find of without a calculator.

Check answer
10%
5%
1%
Combine the useful percentages.
10%
5%
1%
Combine the useful percentages.
Question 4

Find of without a calculator.

Check answer
10%
5%
1%
Combine the useful percentages.
10%
5%
1%
Combine the useful percentages.
Question 5

Find of without a calculator.

Check answer
10%
1%
Combine the useful percentages.
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