Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 228 · 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. 1.14 × 98 =
2. 2.12 × 99 =
3. 3.32 × 99 =
4. 4.26 × 99 =
5. 5.4 × 99 =
6. 6.5 × 19 =
7. 7.15 × 29 =
8. 8.4 × 19 =
9. 9.10 × 49 =
10. 10.40 × 98 =
11. 11.4 × 49 =
12. 12.16 × 99 =
13. 13.12 × 49 =
14. 14.32 × 98 =
15. 15.11 × 29 =
16. 16.30 × 99 =
17. 17.12 × 98 =
18. 18.38 × 98 =
19. 19.3 × 19 =
20. 20.6 × 49 =
21. 21.18 × 99 =
22. 22.16 × 98 =
23. 23.20 × 99 =
24. 24.17 × 99 =
25. 25.22 × 98 =
26. 26.5 × 29 =
27. 27.8 × 9 =
28. 28.28 × 99 =
29. 29.11 × 98 =
30. 30.15 × 49 =
31. 31.4 × 99 =
32. 32.9 × 99 =
33. 33.36 × 98 =
34. 34.12 × 49 =
35. 35.14 × 9 =
36. 36.25 × 99 =
37. 37.14 × 49 =
38. 38.3 × 9 =
39. 39.11 × 29 =
40. 40.4 × 29 =

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