Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 103 · 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. 1.4 × 19 =
2. 2.30 × 98 =
3. 3.3 × 49 =
4. 4.12 × 99 =
5. 5.31 × 99 =
6. 6.4 × 99 =
7. 7.12 × 19 =
8. 8.3 × 49 =
9. 9.11 × 29 =
10. 10.5 × 19 =
11. 11.7 × 49 =
12. 12.7 × 49 =
13. 13.9 × 29 =
14. 14.7 × 99 =
15. 15.8 × 49 =
16. 16.5 × 19 =
17. 17.10 × 9 =
18. 18.11 × 9 =
19. 19.14 × 19 =
20. 20.3 × 19 =
21. 21.14 × 9 =
22. 22.3 × 49 =
23. 23.35 × 98 =
24. 24.12 × 29 =
25. 25.6 × 19 =
26. 26.6 × 49 =
27. 27.6 × 99 =
28. 28.3 × 49 =
29. 29.10 × 19 =
30. 30.10 × 9 =
31. 31.12 × 29 =
32. 32.7 × 9 =
33. 33.6 × 98 =
34. 34.4 × 9 =
35. 35.9 × 49 =
36. 36.5 × 29 =
37. 37.17 × 99 =
38. 38.14 × 29 =
39. 39.5 × 49 =
40. 40.8 × 19 =

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