Year 9 Percentage of an Amount Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 9 percentages worksheet.
Year 9 Percentage of an Amount Worksheet — Level 1 — Practice Set 3 — Answers
Show your working.
1.Find 75% of 200.
Answer: 150
- 75% = 0.75
- 0.75 × 200 = 150
2.Find 75% of 50.
Answer: 37.5
- 75% = 0.75
- 0.75 × 50 = 37.5
3.Find 10% of 200.
Answer: 20
- 10% = 0.1
- 0.1 × 200 = 20
4.Find 75% of 40.
Answer: 30
- 75% = 0.75
- 0.75 × 40 = 30
5.Find 20% of 100.
Answer: 20
- 20% = 0.2
- 0.2 × 100 = 20
6.Find 10% of 80.
Answer: 8
- 10% = 0.1
- 0.1 × 80 = 8
7.Find 25% of 40.
Answer: 10
- 25% = 0.25
- 0.25 × 40 = 10
8.Find 25% of 80.
Answer: 20
- 25% = 0.25
- 0.25 × 80 = 20
9.Find 75% of 120.
Answer: 90
- 75% = 0.75
- 0.75 × 120 = 90
10.Find 50% of 50.
Answer: 25
- 50% = 0.5
- 0.5 × 50 = 25
11.Find 50% of 200.
Answer: 100
- 50% = 0.5
- 0.5 × 200 = 100
12.Find 10% of 120.
Answer: 12
- 10% = 0.1
- 0.1 × 120 = 12
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.