Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 195 · 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. 2.15 × 19 =
3. 3.14 × 9 =
4. 4.24 × 98 =
5. 5.6 × 19 =
6. 6.13 × 99 =
7. 7.11 × 29 =
8. 8.9 × 49 =
9. 9.3 × 29 =
10. 10.13 × 29 =
11. 11.9 × 29 =
12. 12.38 × 98 =
13. 13.8 × 98 =
14. 14.7 × 98 =
15. 15.39 × 98 =
16. 16.26 × 98 =
17. 17.23 × 98 =
18. 18.9 × 49 =
19. 19.3 × 19 =
20. 20.29 × 98 =
21. 21.11 × 49 =
22. 22.8 × 29 =
23. 23.9 × 29 =
24. 24.30 × 98 =
25. 25.23 × 99 =
26. 26.35 × 98 =
27. 27.13 × 29 =
28. 28.12 × 9 =
29. 29.5 × 29 =
30. 30.6 × 99 =
31. 31.6 × 29 =
32. 32.15 × 29 =
33. 33.10 × 9 =
34. 34.39 × 98 =
35. 35.12 × 29 =
36. 36.16 × 99 =
37. 37.7 × 19 =
38. 38.4 × 49 =
39. 39.38 × 99 =
40. 40.4 × 49 =

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