| Name: ______________________________ | Date: ______________ |
Instructions
- Use fractions, decimals, or multiplication to find each percentage.
- Remember that percent means “out of 100.”
- Check whether your answer is reasonable before moving on.
Example: Find 25% of 80. Convert 25% to 0.25, then calculate 0.25 × 80 = 20.
Answer: 20
Part 1: Rocket Fuel Basics
Complete each sentence with the correct number.
1. The decimal form of 45% is __________.
2. The fraction form of 60% in simplest form is __________.
3. 0.72 written as a percentage is __________.
4. The percentage equivalent of 3/4 is __________.
Part 2: Planet Percentages
Choose the answer that correctly solves each problem.
5. What is 10% of 90?
| ○ A. 0.9 | ○ B. 9 |
| ○ C. 10 | ○ D. 90 |
6. What is 50% of 64?
| ○ A. 16 | ○ B. 24 |
| ○ C. 32 | ○ D. 50 |
7. What is 25% of 200?
| ○ A. 25 | ○ B. 40 |
| ○ C. 50 | ○ D. 75 |
8. What is 75% of 40?
| ○ A. 10 | ○ B. 20 |
| ○ C. 30 | ○ D. 35 |
Part 3: Space Scanner
Write True if the statement is correct or False if it is not.
9. 20% is equal to 0.2. True / False
10. 35% of 100 is 350. True / False
11. One-half is equal to 50%. True / False
12. 5% is greater than 0.5. True / False
Part 4: Moon Market
Solve each problem and give the answer with the correct unit when needed.
13. A space shop has 80 moon badges. Twenty-five percent of them are silver. How many silver badges are there? Answer: __________ badges |
14. A robot costs 60 credits and is on sale for 10% off. How many credits is the discount? Answer: __________ credits |
15. A spacecraft travels 240 kilometers. It has completed 75% of its journey. How many kilometers has it traveled? Answer: __________ kilometers |
16. There are 150 stars in a data file. Thirty percent are blue. How many stars are not blue? Answer: __________ stars |
Part 5: Astronaut Records (optional challenge)
Complete each row by finding the missing percentage, decimal, or amount.
| Percentage | Decimal | Amount out of 200 |
|---|---|---|
| 40% | 0.40 | 80 |
| 15% | ||
| 0.65 | ||
| 90% | ||
| 0.25 |
Answer Key
| 1. | 0.45 |
| 2. | 3/5 |
| 3. | 72% |
| 4. | 75% |
| 5. | B (9) |
| 6. | C (32) |
| 7. | C (50) |
| 8. | C (30) |
| 9. | True |
| 10. | False |
| 11. | True |
| 12. | False |
| 13. | 20 badges |
| 14. | 6 credits |
| 15. | 180 kilometers |
| 16. | 105 stars |
| 17a. | 15% · 0.15 · 30 |
| 17b. | 65% · 0.65 · 130 |
| 17c. | 90% · 0.90 · 180 |
| 17d. | 25% · 0.25 · 50 |