Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 670 · 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. 1.9 × 9 =
2. 2.10 × 49 =
3. 3.8 × 9 =
4. 4.37 × 98 =
5. 5.10 × 29 =
6. 6.20 × 98 =
7. 7.4 × 19 =
8. 8.13 × 49 =
9. 9.5 × 49 =
10. 10.10 × 19 =
11. 11.8 × 29 =
12. 12.34 × 99 =
13. 13.31 × 98 =
14. 14.24 × 98 =
15. 15.10 × 29 =
16. 16.15 × 29 =
17. 17.7 × 29 =
18. 18.8 × 49 =
19. 19.4 × 29 =
20. 20.15 × 19 =
21. 21.8 × 19 =
22. 22.11 × 19 =
23. 23.9 × 29 =
24. 24.5 × 19 =
25. 25.11 × 19 =
26. 26.11 × 19 =
27. 27.15 × 29 =
28. 28.10 × 19 =
29. 29.9 × 49 =
30. 30.6 × 49 =
31. 31.5 × 29 =
32. 32.4 × 9 =
33. 33.10 × 99 =
34. 34.10 × 29 =
35. 35.26 × 99 =
36. 36.15 × 19 =
37. 37.11 × 9 =
38. 38.11 × 9 =
39. 39.3 × 98 =
40. 40.12 × 19 =

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