Year 9 Percentage of an Amount Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 9 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · PercentagesYear 9 Percentage of an Amount Worksheet — Level 1 — Practice Set 2 — Answers
Show your working.
1.Find 20% of 50.
Answer: 10
- 20% = 0.2
- 0.2 × 50 = 10
2.Find 75% of 200.
Answer: 150
- 75% = 0.75
- 0.75 × 200 = 150
3.Find 25% of 120.
Answer: 30
- 25% = 0.25
- 0.25 × 120 = 30
4.Find 75% of 100.
Answer: 75
- 75% = 0.75
- 0.75 × 100 = 75
5.Find 10% of 100.
Answer: 10
- 10% = 0.1
- 0.1 × 100 = 10
6.Find 25% of 50.
Answer: 12.5
- 25% = 0.25
- 0.25 × 50 = 12.5
7.Find 50% of 200.
Answer: 100
- 50% = 0.5
- 0.5 × 200 = 100
8.Find 75% of 40.
Answer: 30
- 75% = 0.75
- 0.75 × 40 = 30
9.Find 10% of 50.
Answer: 5
- 10% = 0.1
- 0.1 × 50 = 5
10.Find 10% of 80.
Answer: 8
- 10% = 0.1
- 0.1 × 80 = 8
11.Find 75% of 80.
Answer: 60
- 75% = 0.75
- 0.75 × 80 = 60
12.Find 20% of 40.
Answer: 8
- 20% = 0.2
- 0.2 × 40 = 8
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.