3.OA.4
Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 x ? = 48, 5 = _ / 3, 6 x 6 = ?.
| 1. | Number detectives: *x4=12 | |
| 2. | Number detectives: *x5=15 | |
| 3. | Number detectives: *x4=12 | |
| 4. | Number detectives: 5x5=* | |
| 5. | Number detectives: 4x6=* | |
| 6. | Number detectives: 2x9=* | |
| 7. | Number detectives: 3x*=15 | |
| 8. | Number detectives: 4x*=40 | |
| 9. | Number detectives: 2x*=22 | |
| 10. | Multiplication chain: 2 x 2 = ? x 3 = ? | |
| 11. | Multiplication chain: 2 x 5 = ? x 3 = ? | |
| 12. | Multiplication chain: 6 x 2 = ? x 1 = ? | |
| 13. | Multiplication chain: 2 x 4 = ? x 2 = ? | |
| 14. | Multiplication chain: 3 x 3 = ? x 3 = ? | |
| 15. | Number detectives: ?x4=40 | |
| 16. | Number detectives: ?x2=12 | |
| 17. | Times Chain - 3 x 4 = ? x 2 = ? | |
| 18. | Times Chain - 3 x 2 = ? x 2 = ? | |
| 19. | Times Chain - ? x 6 = 12 x 2 = ? | |
| 20. | Times Chain - ? x 5 = 20 x 3 = ? | |
| 21. | Times Chain - ? x 2 = 8 x 6 = ? | |
| 22. | Number Detectives: 2x8 | |
| 23. | Number Detectives: 6x4 | |
| 24. | Number Detectives: 3x?=12 | |
| 25. | Number Detectives: 6x?=36 | |
| 26. | Division chain - ? / 5 = 10 / 2 = ? | |
| 27. | Division chain - 32 / 4 = ? / 2 = ? | |
| 28. | Division chain - ? / 2 = 6 / 3 = ? | |
| 29. | Division chain - 30 / 2 = ? / 3 = ? | |
| 30. | Number detectives: ? / 10 = 5 | |
| 31. | Number detectives: ? / 5 = 7 | |
| 32. | Number detectives: 36 / 6 = ? | |
| 33. | Number detectives: 50 / ? = 5 |