Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 602 · 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. 1.13 × 19 =
2. 2.4 × 9 =
3. 3.14 × 9 =
4. 4.8 × 49 =
5. 5.8 × 29 =
6. 6.3 × 49 =
7. 7.6 × 9 =
8. 8.4 × 9 =
9. 9.7 × 19 =
10. 10.6 × 19 =
11. 11.15 × 9 =
12. 12.26 × 98 =
13. 13.36 × 98 =
14. 14.11 × 9 =
15. 15.22 × 99 =
16. 16.10 × 9 =
17. 17.12 × 19 =
18. 18.4 × 9 =
19. 19.32 × 99 =
20. 20.25 × 99 =
21. 21.4 × 19 =
22. 22.14 × 49 =
23. 23.30 × 98 =
24. 24.5 × 98 =
25. 25.10 × 29 =
26. 26.22 × 99 =
27. 27.7 × 9 =
28. 28.17 × 99 =
29. 29.5 × 9 =
30. 30.4 × 9 =
31. 31.10 × 19 =
32. 32.7 × 9 =
33. 33.12 × 19 =
34. 34.30 × 99 =
35. 35.11 × 19 =
36. 36.12 × 99 =
37. 37.11 × 49 =
38. 38.17 × 98 =
39. 39.14 × 29 =
40. 40.15 × 49 =

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