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Percentage Calculation Practice

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Percentage Calculation Practice worksheet preview

Percentage Calculation Practice

Percentage symbols and calculations

📊 Part 1: Basic Percentage Calculations

Remember: To find a percentage of a number, convert the percentage to a decimal and multiply.

1. Calculate 50% of 90
2. Calculate 20% of 70
3. Calculate 10% of 150
4. Calculate 25% of 60
5. Calculate 5% of 200

💰 Part 2: Real-World Word Problems

Show your working for each problem.

6. A shirt costs $60. It is on sale for 25% off. How much money do you save?

Answer: You save $ _______

7. There are 120 students in the school choir. 40% of them are boys. How many boys are in the choir?

Answer: _______ boys

8. A recipe needs 200g of sugar. You want to make only 50% of the recipe. How much sugar do you need?

Answer: _______ grams of sugar

9. At a basketball game, 30% of 500 spectators wore team colours. How many spectators wore team colours?

Answer: _______ spectators

🤔 Part 3: Challenge Questions

10. A plant was 40cm tall. It grew by 15% last month. How tall is the plant now?

Growth amount: _______ cm

New height: _______ cm

11. Which is bigger: 30% of 80 or 25% of 100? Show your calculations.

30% of 80 = _______

25% of 100 = _______

The bigger amount is: _______

📋 Answer Sheet

Solutions:

1. 50% of 90 = 0.5 × 90 = 45

2. 20% of 70 = 0.2 × 70 = 14

3. 10% of 150 = 0.1 × 150 = 15

4. 25% of 60 = 0.25 × 60 = 15

5. 5% of 200 = 0.05 × 200 = 10

6. 25% of $60 = 0.25 × 60 = $15 saved

7. 40% of 120 = 0.4 × 120 = 48 boys

8. 50% of 200g = 0.5 × 200 = 100g sugar

9. 30% of 500 = 0.3 × 500 = 150 spectators

10. 15% of 40cm = 0.15 × 40 = 6cm growth; New height = 40 + 6 = 46cm

11. 30% of 80 = 24; 25% of 100 = 25; Therefore 25% of 100 is bigger

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