Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 82 · 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. 1.14 × 19 =
2. 2.34 × 98 =
3. 3.8 × 9 =
4. 4.23 × 99 =
5. 5.14 × 19 =
6. 6.4 × 19 =
7. 7.8 × 9 =
8. 8.7 × 19 =
9. 9.15 × 99 =
10. 10.4 × 19 =
11. 11.34 × 99 =
12. 12.5 × 19 =
13. 13.9 × 19 =
14. 14.13 × 9 =
15. 15.7 × 49 =
16. 16.8 × 29 =
17. 17.15 × 49 =
18. 18.31 × 98 =
19. 19.29 × 98 =
20. 20.10 × 19 =
21. 21.10 × 99 =
22. 22.15 × 9 =
23. 23.4 × 29 =
24. 24.3 × 19 =
25. 25.31 × 99 =
26. 26.11 × 99 =
27. 27.15 × 29 =
28. 28.33 × 99 =
29. 29.14 × 99 =
30. 30.8 × 49 =
31. 31.29 × 99 =
32. 32.7 × 99 =
33. 33.31 × 98 =
34. 34.6 × 19 =
35. 35.11 × 49 =
36. 36.21 × 99 =
37. 37.10 × 19 =
38. 38.15 × 9 =
39. 39.14 × 9 =
40. 40.3 × 19 =

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