Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 466 · 40 questions

How it works (Round and adjust): Round up: 49 is 50 − 1, 98 is 100 − 2. Multiply by the round number. Take away the number times the bit you added.

1. 1.5 × 19 =
2. 2.7 × 49 =
3. 3.10 × 19 =
4. 4.5 × 29 =
5. 5.4 × 29 =
6. 6.4 × 29 =
7. 7.12 × 29 =
8. 8.9 × 29 =
9. 9.33 × 99 =
10. 10.25 × 98 =
11. 11.7 × 49 =
12. 12.40 × 98 =
13. 13.15 × 19 =
14. 14.15 × 29 =
15. 15.3 × 49 =
16. 16.13 × 29 =
17. 17.20 × 98 =
18. 18.15 × 49 =
19. 19.12 × 98 =
20. 20.12 × 9 =
21. 21.10 × 98 =
22. 22.5 × 9 =
23. 23.7 × 49 =
24. 24.8 × 19 =
25. 25.3 × 29 =
26. 26.8 × 49 =
27. 27.17 × 98 =
28. 28.9 × 19 =
29. 29.15 × 49 =
30. 30.15 × 49 =
31. 31.7 × 19 =
32. 32.3 × 98 =
33. 33.37 × 98 =
34. 34.11 × 98 =
35. 35.11 × 29 =
36. 36.12 × 49 =
37. 37.7 × 9 =
38. 38.11 × 9 =
39. 39.18 × 98 =
40. 40.29 × 99 =

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