Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 892 · 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. 1.9 × 29 =
2. 2.27 × 98 =
3. 3.6 × 9 =
4. 4.14 × 29 =
5. 5.9 × 49 =
6. 6.14 × 19 =
7. 7.26 × 99 =
8. 8.5 × 19 =
9. 9.13 × 49 =
10. 10.12 × 99 =
11. 11.7 × 19 =
12. 12.26 × 99 =
13. 13.11 × 19 =
14. 14.22 × 99 =
15. 15.4 × 9 =
16. 16.4 × 19 =
17. 17.8 × 29 =
18. 18.11 × 29 =
19. 19.7 × 98 =
20. 20.15 × 29 =
21. 21.12 × 49 =
22. 22.20 × 99 =
23. 23.5 × 19 =
24. 24.3 × 29 =
25. 25.37 × 98 =
26. 26.5 × 99 =
27. 27.25 × 98 =
28. 28.11 × 19 =
29. 29.10 × 19 =
30. 30.35 × 99 =
31. 31.14 × 49 =
32. 32.15 × 99 =
33. 33.5 × 19 =
34. 34.26 × 99 =
35. 35.3 × 49 =
36. 36.37 × 98 =
37. 37.12 × 19 =
38. 38.6 × 9 =
39. 39.8 × 19 =
40. 40.33 × 99 =

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