| Name: ______________________________ | Date: ______________ |
Instructions
- Use multiplication to solve each dinosaur challenge.
- Skip-count by 3s or 4s when you need help.
- Check that your answer makes sense before moving on.
Example: A triceratops has 4 feet. How many feet do 3 triceratops have? 3 × 4 = 12.
Answer: 12 feet
Part 1: Raptor Riddles
Choose the product that solves each multiplication fact.
1. What is 3 × 4?
| ○ A. 7 | ○ B. 12 |
| ○ C. 14 | ○ D. 16 |
2. What is 4 × 6?
| ○ A. 18 | ○ B. 20 |
| ○ C. 24 | ○ D. 28 |
3. What is 3 × 8?
| ○ A. 21 | ○ B. 24 |
| ○ C. 27 | ○ D. 32 |
4. What is 4 × 9?
| ○ A. 27 | ○ B. 32 |
| ○ C. 36 | ○ D. 40 |
Part 2: Dinosaur Footprints
Write the missing product in each sentence.
5. Five groups of 3 footprints make __________ footprints.
6. Seven groups of 4 dinosaur eggs make __________ eggs.
7. Nine groups of 3 claws make __________ claws.
8. Eight groups of 4 scales make __________ scales.
9. Six groups of 3 bones make __________ bones.
Part 3: Fossil Match
Match each multiplication fact with its product.
| 10. | 3 × 7 | __________ | A. 28 |
| 11. | 4 × 5 | __________ | B. 20 |
| 12. | 3 × 10 | __________ | C. 30 |
| 13. | 4 × 7 | __________ | D. 18 |
| 14. | 3 × 6 | __________ | E. 21 |
Part 4: Dino Dig
Solve each dinosaur story problem and include the correct unit.
15. A paleontologist finds 4 fossil pieces at each of 3 dig sites. How many fossil pieces does she find altogether? Answer: __________ fossil pieces |
16. There are 6 nests with 4 dinosaur eggs in each nest. How many eggs are there? Answer: __________ eggs |
17. A museum displays 8 rows of 3 dinosaur teeth. How many teeth are displayed? Answer: __________ teeth |
18. A dinosaur herd has 9 dinosaurs. Each dinosaur eats 4 leaves. How many leaves do they eat altogether? Answer: __________ leaves |
Part 5: T-Rex Challenge (optional challenge)
Answer each question and explain how you know.
19. Which is greater: 3 × 9 or 4 × 6? How much greater is it? |
20. Write two different multiplication facts using 3s or 4s that have a product of 24. |
21. A dinosaur has 4 legs. How many legs would 10 dinosaurs have? Explain your strategy. |
Answer Key
| 1. | B (12) |
| 2. | C (24) |
| 3. | B (24) |
| 4. | C (36) |
| 5. | 15 |
| 6. | 28 |
| 7. | 27 |
| 8. | 32 |
| 9. | 18 |
| 10. | E (21) |
| 11. | B (20) |
| 12. | C (30) |
| 13. | A (28) |
| 14. | D (18) |
| 15. | 12 fossil pieces |
| 16. | 24 eggs |
| 17. | 24 teeth |
| 18. | 36 leaves |
| 19. | 3 × 9 is greater by 3 because 27 is 3 more than 24. |
| 20. | 3 × 8 = 24 and 4 × 6 = 24. |
| 21. | 40 legs. I can count by 4s: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40. |