Success TutoringWorksheets

8th Grade Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers

Answer sheet with worked solutions for the 8th Grade percentages worksheet.

Download answers PDFPrint answersBack to worksheet
Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Percentages

8th Grade Percentage of an Amount Worksheet — Level 3 — Practice Set 4 — Answers

Show your work.

1.Find 12.5% of 430.

Answer: 53.75

  1. 12.5% = 0.125
  2. 0.125 × 430 = 53.75
2.Find 45% of 510.

Answer: 229.5

  1. 45% = 0.45
  2. 0.45 × 510 = 229.5
3.Leo's weekly pay of $530 increases by 18%. What is the new weekly pay?

Answer: $625.40

  1. Increase: 18% of 530 = 95.4
  2. 530 + 95.4 = 625.40
  3. (Or: 118% × 530 = 625.40)
4.A jacket costs $580. It is reduced by 35% in a sale. What is the sale price?

Answer: $377.00

  1. Discount: 35% of 580 = 203
  2. 580 − 203 = 377.00
  3. (Or: 65% × 580 = 377.00)
5.Find 15% of 330.

Answer: 49.5

  1. 15% = 0.15
  2. 0.15 × 330 = 49.5
6.Find 45% of 570.

Answer: 256.5

  1. 45% = 0.45
  2. 0.45 × 570 = 256.5
7.Find 15% of 280.

Answer: 42

  1. 15% = 0.15
  2. 0.15 × 280 = 42
8.A jacket costs $360. It is reduced by 22% in a sale. What is the sale price?

Answer: $280.80

  1. Discount: 22% of 360 = 79.2
  2. 360 − 79.2 = 280.80
  3. (Or: 78% × 360 = 280.80)
9.Jayden's weekly pay of $520 increases by 85%. What is the new weekly pay?

Answer: $962.00

  1. Increase: 85% of 520 = 442
  2. 520 + 442 = 962.00
  3. (Or: 185% × 520 = 962.00)
10.A jacket costs $230. It is reduced by 7% in a sale. What is the sale price?

Answer: $213.90

  1. Discount: 7% of 230 = 16.1
  2. 230 − 16.1 = 213.90
  3. (Or: 93% × 230 = 213.90)
11.Find 85% of 240.

Answer: 204

  1. 85% = 0.85
  2. 0.85 × 240 = 204
12.A jacket costs $600. It is reduced by 35% in a sale. What is the sale price?

Answer: $390.00

  1. Discount: 35% of 600 = 210
  2. 600 − 210 = 390.00
  3. (Or: 65% × 600 = 390.00)
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

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.

Great work. Here's what to try next: