Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 592 · 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 × 19 =
2. 2.15 × 29 =
3. 3.11 × 19 =
4. 4.13 × 9 =
5. 5.12 × 49 =
6. 6.5 × 19 =
7. 7.14 × 9 =
8. 8.11 × 19 =
9. 9.14 × 98 =
10. 10.24 × 99 =
11. 11.9 × 49 =
12. 12.5 × 49 =
13. 13.6 × 98 =
14. 14.15 × 19 =
15. 15.11 × 49 =
16. 16.6 × 19 =
17. 17.35 × 99 =
18. 18.8 × 9 =
19. 19.34 × 99 =
20. 20.13 × 99 =
21. 21.13 × 9 =
22. 22.13 × 99 =
23. 23.13 × 9 =
24. 24.7 × 29 =
25. 25.15 × 19 =
26. 26.10 × 19 =
27. 27.4 × 98 =
28. 28.8 × 49 =
29. 29.14 × 9 =
30. 30.8 × 49 =
31. 31.29 × 99 =
32. 32.7 × 49 =
33. 33.5 × 29 =
34. 34.8 × 49 =
35. 35.10 × 29 =
36. 36.15 × 98 =
37. 37.9 × 9 =
38. 38.6 × 49 =
39. 39.13 × 9 =
40. 40.11 × 9 =

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