Class 7 Maths — Percentages
Find a percentage of an amount, and change between fractions and percentages.
Name: ________________________
Before you start
This line is the whole of something, split into a hundred. Move along it and read the percentages off.
50 sits exactly halfway, 25 is halfway again, and 10 is a tenth of the way along. Those three are worth knowing by sight, because nearly every other percentage is built out of them.
1.What is 10% of 250?
2.A book costs ₹200. The price goes up by 10%. What is the new price? Give just the number.
3.A shopkeeper buys a bag for ₹400 and sells it for ₹500. What is the profit as a percentage of the cost? Give just the number.
4.What is 20% of 45?
5.Put these amounts in order, smallest first.
- 1/2
- 30%
- 60%
- 1/5
- 0.4
6.A shirt costs ₹500 and is reduced by 20% in a sale. What is the sale price? Give just the number.
7.Match each percentage to the same amount written as a fraction.
- 50%
- 25%
- 20%
- 75%
- 10%
- 1/10
- 1/4
- 1/2
- 3/4
- 1/5
8.What is 25% of 80?
Answer key — Class 7 Maths — Percentages
- 1. 25
- 2. 220
- 3. 25
- 4. 9
- 5. 1. 1/5 2. 30% 3. 0.4 4. 1/2 5. 60%
- 6. 400
- 7. 50% → 1/2; 25% → 1/4; 20% → 1/5; 75% → 3/4; 10% → 1/10
- 8. 20