Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 601 · 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. 1.5 × 19 =
2. 2.40 × 98 =
3. 3.4 × 49 =
4. 4.7 × 19 =
5. 5.6 × 19 =
6. 6.7 × 29 =
7. 7.3 × 98 =
8. 8.9 × 29 =
9. 9.26 × 99 =
10. 10.6 × 19 =
11. 11.20 × 98 =
12. 12.10 × 9 =
13. 13.8 × 19 =
14. 14.8 × 19 =
15. 15.4 × 9 =
16. 16.19 × 99 =
17. 17.12 × 29 =
18. 18.31 × 98 =
19. 19.13 × 49 =
20. 20.14 × 29 =
21. 21.13 × 98 =
22. 22.27 × 99 =
23. 23.37 × 98 =
24. 24.13 × 19 =
25. 25.3 × 49 =
26. 26.36 × 99 =
27. 27.7 × 29 =
28. 28.4 × 49 =
29. 29.4 × 9 =
30. 30.22 × 99 =
31. 31.15 × 19 =
32. 32.8 × 19 =
33. 33.13 × 19 =
34. 34.5 × 19 =
35. 35.38 × 98 =
36. 36.14 × 19 =
37. 37.18 × 98 =
38. 38.15 × 19 =
39. 39.14 × 9 =
40. 40.25 × 99 =

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