Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 365 · 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. 1.6 × 19 =
2. 2.11 × 19 =
3. 3.27 × 99 =
4. 4.34 × 98 =
5. 5.10 × 9 =
6. 6.14 × 19 =
7. 7.18 × 99 =
8. 8.15 × 49 =
9. 9.10 × 49 =
10. 10.12 × 99 =
11. 11.40 × 99 =
12. 12.25 × 98 =
13. 13.15 × 29 =
14. 14.5 × 19 =
15. 15.17 × 99 =
16. 16.13 × 19 =
17. 17.13 × 9 =
18. 18.27 × 99 =
19. 19.5 × 99 =
20. 20.7 × 19 =
21. 21.5 × 98 =
22. 22.4 × 99 =
23. 23.6 × 29 =
24. 24.4 × 9 =
25. 25.11 × 99 =
26. 26.40 × 99 =
27. 27.9 × 49 =
28. 28.6 × 49 =
29. 29.5 × 98 =
30. 30.9 × 29 =
31. 31.5 × 29 =
32. 32.3 × 29 =
33. 33.10 × 29 =
34. 34.12 × 98 =
35. 35.12 × 49 =
36. 36.6 × 49 =
37. 37.4 × 9 =
38. 38.6 × 19 =
39. 39.9 × 9 =
40. 40.6 × 9 =

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