Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 781 · 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. 1.3 × 19 =
2. 2.3 × 49 =
3. 3.10 × 49 =
4. 4.4 × 19 =
5. 5.14 × 9 =
6. 6.20 × 98 =
7. 7.13 × 19 =
8. 8.5 × 49 =
9. 9.30 × 99 =
10. 10.7 × 99 =
11. 11.9 × 99 =
12. 12.3 × 99 =
13. 13.9 × 98 =
14. 14.18 × 99 =
15. 15.5 × 29 =
16. 16.35 × 98 =
17. 17.15 × 49 =
18. 18.26 × 98 =
19. 19.37 × 98 =
20. 20.14 × 9 =
21. 21.7 × 19 =
22. 22.32 × 98 =
23. 23.6 × 29 =
24. 24.7 × 9 =
25. 25.9 × 49 =
26. 26.6 × 29 =
27. 27.15 × 19 =
28. 28.14 × 19 =
29. 29.13 × 19 =
30. 30.9 × 9 =
31. 31.5 × 49 =
32. 32.11 × 9 =
33. 33.5 × 49 =
34. 34.15 × 98 =
35. 35.7 × 49 =
36. 36.15 × 19 =
37. 37.9 × 29 =
38. 38.15 × 49 =
39. 39.3 × 19 =
40. 40.11 × 19 =

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