Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 728 · 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 × 49 =
2. 2.3 × 19 =
3. 3.13 × 29 =
4. 4.8 × 9 =
5. 5.12 × 98 =
6. 6.13 × 99 =
7. 7.10 × 49 =
8. 8.6 × 19 =
9. 9.10 × 9 =
10. 10.8 × 49 =
11. 11.11 × 29 =
12. 12.9 × 29 =
13. 13.10 × 19 =
14. 14.12 × 19 =
15. 15.27 × 99 =
16. 16.6 × 19 =
17. 17.10 × 19 =
18. 18.12 × 99 =
19. 19.21 × 99 =
20. 20.15 × 19 =
21. 21.12 × 19 =
22. 22.15 × 9 =
23. 23.5 × 19 =
24. 24.9 × 9 =
25. 25.12 × 49 =
26. 26.3 × 9 =
27. 27.10 × 19 =
28. 28.9 × 19 =
29. 29.5 × 19 =
30. 30.14 × 49 =
31. 31.16 × 99 =
32. 32.32 × 99 =
33. 33.32 × 98 =
34. 34.3 × 9 =
35. 35.4 × 49 =
36. 36.10 × 19 =
37. 37.32 × 99 =
38. 38.13 × 29 =
39. 39.5 × 19 =
40. 40.34 × 98 =

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