Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 851 · 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. 2.37 × 98 =
3. 3.11 × 19 =
4. 4.11 × 9 =
5. 5.3 × 9 =
6. 6.5 × 98 =
7. 7.12 × 9 =
8. 8.10 × 98 =
9. 9.5 × 49 =
10. 10.9 × 29 =
11. 11.20 × 98 =
12. 12.12 × 9 =
13. 13.31 × 99 =
14. 14.4 × 98 =
15. 15.30 × 98 =
16. 16.9 × 9 =
17. 17.12 × 29 =
18. 18.12 × 9 =
19. 19.7 × 19 =
20. 20.4 × 9 =
21. 21.6 × 19 =
22. 22.14 × 98 =
23. 23.4 × 49 =
24. 24.13 × 29 =
25. 25.3 × 29 =
26. 26.32 × 98 =
27. 27.11 × 29 =
28. 28.27 × 99 =
29. 29.12 × 29 =
30. 30.9 × 49 =
31. 31.13 × 29 =
32. 32.5 × 9 =
33. 33.14 × 9 =
34. 34.34 × 99 =
35. 35.15 × 49 =
36. 36.14 × 9 =
37. 37.7 × 49 =
38. 38.10 × 29 =
39. 39.25 × 99 =
40. 40.12 × 9 =

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