Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 174 · 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. 1.11 × 19 =
2. 2.15 × 9 =
3. 3.24 × 98 =
4. 4.9 × 9 =
5. 5.15 × 9 =
6. 6.4 × 19 =
7. 7.8 × 9 =
8. 8.14 × 49 =
9. 9.39 × 98 =
10. 10.6 × 29 =
11. 11.4 × 49 =
12. 12.8 × 49 =
13. 13.13 × 9 =
14. 14.14 × 49 =
15. 15.15 × 99 =
16. 16.14 × 29 =
17. 17.9 × 29 =
18. 18.28 × 99 =
19. 19.8 × 99 =
20. 20.4 × 29 =
21. 21.14 × 29 =
22. 22.6 × 49 =
23. 23.12 × 19 =
24. 24.8 × 29 =
25. 25.3 × 9 =
26. 26.4 × 9 =
27. 27.11 × 9 =
28. 28.9 × 49 =
29. 29.9 × 98 =
30. 30.15 × 29 =
31. 31.11 × 9 =
32. 32.3 × 49 =
33. 33.25 × 98 =
34. 34.14 × 9 =
35. 35.4 × 99 =
36. 36.9 × 49 =
37. 37.24 × 99 =
38. 38.5 × 29 =
39. 39.12 × 29 =
40. 40.3 × 49 =

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