Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 477 · 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. 1.22 × 98 =
2. 2.7 × 98 =
3. 3.24 × 98 =
4. 4.8 × 49 =
5. 5.15 × 29 =
6. 6.14 × 9 =
7. 7.8 × 19 =
8. 8.8 × 19 =
9. 9.35 × 99 =
10. 10.3 × 49 =
11. 11.9 × 29 =
12. 12.12 × 49 =
13. 13.5 × 49 =
14. 14.8 × 29 =
15. 15.10 × 29 =
16. 16.9 × 19 =
17. 17.7 × 19 =
18. 18.7 × 19 =
19. 19.3 × 99 =
20. 20.14 × 49 =
21. 21.11 × 19 =
22. 22.8 × 98 =
23. 23.11 × 9 =
24. 24.30 × 98 =
25. 25.20 × 99 =
26. 26.15 × 19 =
27. 27.12 × 9 =
28. 28.15 × 49 =
29. 29.34 × 98 =
30. 30.14 × 9 =
31. 31.13 × 9 =
32. 32.14 × 19 =
33. 33.10 × 98 =
34. 34.9 × 19 =
35. 35.28 × 99 =
36. 36.15 × 29 =
37. 37.14 × 9 =
38. 38.11 × 19 =
39. 39.17 × 98 =
40. 40.16 × 98 =

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