| Name: ______________________________ | Date: ______________ |
Instructions
- Multiply each number by 2 to find double its value.
- You can think of multiplying by 2 as adding the same number twice.
- Read each problem carefully and check your answers.
Example: Multiply: 7 × 2
Answer: 14, because 7 + 7 = 14
Part 1: Robot Doubles
Complete each multiplication sentence.
1. 3 × 2 = __________
2. 5 × 2 = __________
3. 8 × 2 = __________
4. 9 × 2 = __________
5. 12 × 2 = __________
Part 2: Rocket Fuel
Choose the product that solves each problem.
6. What is 4 × 2?
| ○ A. 6 | ○ B. 8 |
| ○ C. 10 | ○ D. 12 |
7. What is 11 × 2?
| ○ A. 13 | ○ B. 20 |
| ○ C. 22 | ○ D. 24 |
8. What is 15 × 2?
| ○ A. 25 | ○ B. 30 |
| ○ C. 32 | ○ D. 35 |
9. What is 20 × 2?
| ○ A. 22 | ○ B. 30 |
| ○ C. 40 | ○ D. 42 |
Part 3: Alien Fact Check
Write True if the multiplication sentence is correct or False if it is not.
10. 6 × 2 = 12 True / False
11. 7 × 2 = 12 True / False
12. 13 × 2 = 26 True / False
13. 18 × 2 = 34 True / False
14. 25 × 2 = 50 True / False
Part 4: Droid Match-Up
Match each multiplication problem with its product.
| 15. | 2 × 2 | __________ | A. 32 |
| 16. | 10 × 2 | __________ | B. 28 |
| 17. | 14 × 2 | __________ | C. 20 |
| 18. | 16 × 2 | __________ | D. 38 |
| 19. | 19 × 2 | __________ | E. 4 |
Part 5: Space Supplies (optional challenge)
Solve each problem and write the answer with the correct unit.
20. A space robot carries 6 boxes. Each box has 2 moon rocks. How many moon rocks does the robot carry? Answer: __________ moon rocks |
21. There are 9 rocket teams. Each team needs 2 helmets. How many helmets are needed? Answer: __________ helmets |
22. A planet has 17 gardens. Each garden has 2 solar lamps. How many solar lamps are there? Answer: __________ solar lamps |
23. A friendly alien gives 24 explorers 2 glowing badges each. How many badges does the alien give away? Answer: __________ badges |
Answer Key
| 1. | 6 |
| 2. | 10 |
| 3. | 16 |
| 4. | 18 |
| 5. | 24 |
| 6. | B (8) |
| 7. | C (22) |
| 8. | B (30) |
| 9. | C (40) |
| 10. | True |
| 11. | False |
| 12. | True |
| 13. | False |
| 14. | True |
| 15. | E (4) |
| 16. | C (20) |
| 17. | B (28) |
| 18. | A (32) |
| 19. | D (38) |
| 20. | 12 moon rocks |
| 21. | 18 helmets |
| 22. | 34 solar lamps |
| 23. | 48 badges |