Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 34 · 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 × 19 =
2. 2.27 × 99 =
3. 3.23 × 99 =
4. 4.3 × 49 =
5. 5.11 × 29 =
6. 6.7 × 49 =
7. 7.4 × 19 =
8. 8.13 × 99 =
9. 9.9 × 49 =
10. 10.35 × 98 =
11. 11.8 × 9 =
12. 12.38 × 98 =
13. 13.5 × 9 =
14. 14.14 × 9 =
15. 15.8 × 19 =
16. 16.12 × 9 =
17. 17.15 × 49 =
18. 18.11 × 9 =
19. 19.5 × 49 =
20. 20.32 × 99 =
21. 21.8 × 99 =
22. 22.13 × 19 =
23. 23.5 × 19 =
24. 24.14 × 99 =
25. 25.27 × 98 =
26. 26.27 × 98 =
27. 27.7 × 9 =
28. 28.20 × 98 =
29. 29.15 × 9 =
30. 30.11 × 98 =
31. 31.31 × 99 =
32. 32.25 × 99 =
33. 33.15 × 49 =
34. 34.40 × 99 =
35. 35.30 × 99 =
36. 36.4 × 29 =
37. 37.5 × 99 =
38. 38.15 × 29 =
39. 39.40 × 99 =
40. 40.4 × 29 =

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