Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 145 · 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. 2.8 × 9 =
3. 3.18 × 98 =
4. 4.34 × 98 =
5. 5.4 × 9 =
6. 6.5 × 49 =
7. 7.5 × 29 =
8. 8.12 × 29 =
9. 9.35 × 99 =
10. 10.8 × 49 =
11. 11.10 × 19 =
12. 12.6 × 49 =
13. 13.10 × 9 =
14. 14.7 × 29 =
15. 15.10 × 29 =
16. 16.5 × 49 =
17. 17.12 × 19 =
18. 18.12 × 9 =
19. 19.8 × 9 =
20. 20.28 × 98 =
21. 21.10 × 19 =
22. 22.11 × 98 =
23. 23.8 × 99 =
24. 24.6 × 99 =
25. 25.16 × 99 =
26. 26.15 × 29 =
27. 27.7 × 9 =
28. 28.5 × 19 =
29. 29.11 × 19 =
30. 30.14 × 98 =
31. 31.14 × 29 =
32. 32.17 × 98 =
33. 33.15 × 99 =
34. 34.26 × 98 =
35. 35.8 × 19 =
36. 36.6 × 29 =
37. 37.25 × 99 =
38. 38.3 × 29 =
39. 39.9 × 49 =
40. 40.34 × 98 =

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