Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 885 · 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 × 49 =
2. 2.10 × 49 =
3. 3.9 × 49 =
4. 4.11 × 49 =
5. 5.7 × 49 =
6. 6.14 × 9 =
7. 7.10 × 19 =
8. 8.5 × 19 =
9. 9.13 × 19 =
10. 10.7 × 49 =
11. 11.5 × 19 =
12. 12.31 × 99 =
13. 13.6 × 49 =
14. 14.9 × 9 =
15. 15.3 × 19 =
16. 16.7 × 19 =
17. 17.5 × 49 =
18. 18.5 × 99 =
19. 19.30 × 98 =
20. 20.3 × 49 =
21. 21.12 × 29 =
22. 22.10 × 49 =
23. 23.10 × 29 =
24. 24.11 × 98 =
25. 25.6 × 49 =
26. 26.11 × 19 =
27. 27.13 × 9 =
28. 28.36 × 99 =
29. 29.5 × 99 =
30. 30.14 × 19 =
31. 31.12 × 99 =
32. 32.10 × 19 =
33. 33.13 × 9 =
34. 34.13 × 29 =
35. 35.17 × 99 =
36. 36.23 × 99 =
37. 37.30 × 99 =
38. 38.5 × 19 =
39. 39.3 × 19 =
40. 40.15 × 49 =

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