Ratio, proportion and rates of changeKS3 / GCSE

Comparing quantities using percentages

Compare results with different totals fairly.

  • Convert each result to a percentage of its own total.
  • Compare the percentages, not just the raw scores.

Example 1

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Test A (%)
Test B (%)
Both tests have the same percentage score.

Example 2

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Test A (%)
Test B (%)
Test B

Your turn

Question 1

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Check answer
Test A (%)
Test B (%)
Test B
Question 2

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Check answer
Test A (%)
Test B (%)
Test B
Question 3

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Check answer
Test A (%)
Test B (%)
Test B
Question 4

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Check answer
Test A (%)
Test B (%)
Test B
Question 5

On test A, a student scores out of . On test B, they score out of . Which test has the higher percentage score?

Check answer
Test A (%)
Test B (%)
Test B
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