10th Grade Percentage Increase and Decrease Worksheet — Level 1 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 10th Grade percentages worksheet.
Success TutoringWorksheetsAnswer sheet10th Grade · Mathematics · Percentages10th Grade Percentage Increase and Decrease Worksheet — Level 1 — Practice Set 4 — Answers
Percentage change = change ÷ original amount × 100. Always divide by the original amount.
1.A price changes from $230 to $253. Find the percentage increase.
Answer: 10%
- Change = 253 − 230 = 23
- 23 ÷ 230 × 100 = 10%
2.A price changes from $50 to $55. Find the percentage increase.
Answer: 10%
- Change = 55 − 50 = 5
- 5 ÷ 50 × 100 = 10%
3.A price changes from $300 to $240. Find the percentage decrease.
Answer: 20%
- Change = 300 − 240 = 60
- 60 ÷ 300 × 100 = 20%
4.A price changes from $360 to $432. Find the percentage increase.
Answer: 20%
- Change = 432 − 360 = 72
- 72 ÷ 360 × 100 = 20%
5.A price changes from $300 to $450. Find the percentage increase.
Answer: 50%
- Change = 450 − 300 = 150
- 150 ÷ 300 × 100 = 50%
6.A price changes from $210 to $105. Find the percentage decrease.
Answer: 50%
- Change = 210 − 105 = 105
- 105 ÷ 210 × 100 = 50%
7.A price changes from $100 to $50. Find the percentage decrease.
Answer: 50%
- Change = 100 − 50 = 50
- 50 ÷ 100 × 100 = 50%
8.A price changes from $180 to $225. Find the percentage increase.
Answer: 25%
- Change = 225 − 180 = 45
- 45 ÷ 180 × 100 = 25%
9.A price changes from $130 to $104. Find the percentage decrease.
Answer: 20%
- Change = 130 − 104 = 26
- 26 ÷ 130 × 100 = 20%
10.A price changes from $250 to $375. Find the percentage increase.
Answer: 50%
- Change = 375 − 250 = 125
- 125 ÷ 250 × 100 = 50%
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