Year 7 Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 7 percentages worksheet.
Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · PercentagesYear 7 Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers
Show your working.
1.Amelia's weekly pay of $80 increases by 45%. What is the new weekly pay?
Answer: $116.00
- Increase: 45% of 80 = 36
- 80 + 36 = 116.00
- (Or: 145% × 80 = 116.00)
2.A jacket costs $510. It is reduced by 65% in a sale. What is the sale price?
Answer: $178.50
- Discount: 65% of 510 = 331.5
- 510 − 331.5 = 178.50
- (Or: 35% × 510 = 178.50)
3.Find 85% of 300.
Answer: 255
- 85% = 0.85
- 0.85 × 300 = 255
4.Find 2.5% of 560.
Answer: 14
- 2.5% = 0.025
- 0.025 × 560 = 14
5.Find 12% of 270.
Answer: 32.4
- 12% = 0.12
- 0.12 × 270 = 32.4
6.A jacket costs $30. It is reduced by 4% in a sale. What is the sale price?
Answer: $28.80
- Discount: 4% of 30 = 1.2
- 30 − 1.2 = 28.80
- (Or: 96% × 30 = 28.80)
7.Find 18% of 590.
Answer: 106.2
- 18% = 0.18
- 0.18 × 590 = 106.2
8.Kai's weekly pay of $340 increases by 65%. What is the new weekly pay?
Answer: $561.00
- Increase: 65% of 340 = 221
- 340 + 221 = 561.00
- (Or: 165% × 340 = 561.00)
9.Find 4% of 220.
Answer: 8.8
- 4% = 0.04
- 0.04 × 220 = 8.8
10.Mason's weekly pay of $360 increases by 85%. What is the new weekly pay?
Answer: $666.00
- Increase: 85% of 360 = 306
- 360 + 306 = 666.00
- (Or: 185% × 360 = 666.00)
11.Isla's weekly pay of $30 increases by 18%. What is the new weekly pay?
Answer: $35.40
- Increase: 18% of 30 = 5.4
- 30 + 5.4 = 35.40
- (Or: 118% × 30 = 35.40)
12.Find 2.5% of 40.
Answer: 1
- 2.5% = 0.025
- 0.025 × 40 = 1
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.