Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 247 · 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. 1.3 × 19 =
2. 2.10 × 98 =
3. 3.9 × 19 =
4. 4.8 × 9 =
5. 5.4 × 29 =
6. 6.14 × 98 =
7. 7.11 × 99 =
8. 8.15 × 49 =
9. 9.6 × 98 =
10. 10.8 × 19 =
11. 11.5 × 19 =
12. 12.9 × 49 =
13. 13.22 × 98 =
14. 14.28 × 99 =
15. 15.11 × 19 =
16. 16.24 × 99 =
17. 17.15 × 98 =
18. 18.5 × 49 =
19. 19.5 × 29 =
20. 20.24 × 98 =
21. 21.15 × 9 =
22. 22.32 × 99 =
23. 23.6 × 98 =
24. 24.8 × 99 =
25. 25.36 × 98 =
26. 26.12 × 49 =
27. 27.7 × 9 =
28. 28.12 × 49 =
29. 29.17 × 98 =
30. 30.10 × 49 =
31. 31.33 × 98 =
32. 32.8 × 49 =
33. 33.4 × 19 =
34. 34.13 × 99 =
35. 35.13 × 9 =
36. 36.10 × 29 =
37. 37.11 × 9 =
38. 38.39 × 99 =
39. 39.12 × 98 =
40. 40.6 × 29 =

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