Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 8 · 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. 2.12 × 19 =
3. 3.40 × 98 =
4. 4.4 × 99 =
5. 5.31 × 98 =
6. 6.10 × 19 =
7. 7.11 × 49 =
8. 8.12 × 49 =
9. 9.9 × 98 =
10. 10.11 × 19 =
11. 11.8 × 19 =
12. 12.16 × 99 =
13. 13.15 × 19 =
14. 14.15 × 9 =
15. 15.23 × 99 =
16. 16.9 × 29 =
17. 17.8 × 49 =
18. 18.13 × 49 =
19. 19.3 × 49 =
20. 20.15 × 9 =
21. 21.14 × 19 =
22. 22.13 × 49 =
23. 23.36 × 99 =
24. 24.9 × 19 =
25. 25.5 × 49 =
26. 26.11 × 9 =
27. 27.32 × 98 =
28. 28.5 × 9 =
29. 29.15 × 19 =
30. 30.10 × 29 =
31. 31.6 × 29 =
32. 32.5 × 49 =
33. 33.3 × 9 =
34. 34.31 × 98 =
35. 35.13 × 98 =
36. 36.35 × 98 =
37. 37.15 × 9 =
38. 38.11 × 19 =
39. 39.39 × 98 =
40. 40.39 × 99 =

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