Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 576 · 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. 1.15 × 49 =
2. 2.14 × 49 =
3. 3.8 × 29 =
4. 4.4 × 9 =
5. 5.6 × 9 =
6. 6.19 × 99 =
7. 7.4 × 19 =
8. 8.11 × 19 =
9. 9.4 × 19 =
10. 10.7 × 98 =
11. 11.10 × 29 =
12. 12.34 × 99 =
13. 13.28 × 99 =
14. 14.3 × 99 =
15. 15.4 × 99 =
16. 16.5 × 49 =
17. 17.3 × 49 =
18. 18.9 × 29 =
19. 19.5 × 19 =
20. 20.3 × 9 =
21. 21.18 × 99 =
22. 22.3 × 19 =
23. 23.9 × 19 =
24. 24.29 × 99 =
25. 25.10 × 49 =
26. 26.3 × 49 =
27. 27.4 × 19 =
28. 28.12 × 49 =
29. 29.25 × 98 =
30. 30.4 × 49 =
31. 31.12 × 98 =
32. 32.5 × 9 =
33. 33.7 × 49 =
34. 34.6 × 9 =
35. 35.5 × 98 =
36. 36.26 × 98 =
37. 37.6 × 9 =
38. 38.12 × 19 =
39. 39.11 × 99 =
40. 40.11 × 19 =

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