Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 288 · 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. 1.4 × 29 =
2. 2.7 × 99 =
3. 3.9 × 99 =
4. 4.8 × 49 =
5. 5.7 × 98 =
6. 6.13 × 49 =
7. 7.11 × 9 =
8. 8.32 × 98 =
9. 9.15 × 19 =
10. 10.37 × 98 =
11. 11.12 × 49 =
12. 12.12 × 49 =
13. 13.15 × 99 =
14. 14.15 × 49 =
15. 15.10 × 19 =
16. 16.11 × 19 =
17. 17.35 × 99 =
18. 18.22 × 99 =
19. 19.20 × 99 =
20. 20.6 × 9 =
21. 21.13 × 98 =
22. 22.15 × 49 =
23. 23.26 × 99 =
24. 24.14 × 19 =
25. 25.11 × 9 =
26. 26.14 × 9 =
27. 27.8 × 49 =
28. 28.10 × 9 =
29. 29.28 × 98 =
30. 30.15 × 19 =
31. 31.21 × 99 =
32. 32.11 × 19 =
33. 33.39 × 98 =
34. 34.14 × 98 =
35. 35.11 × 29 =
36. 36.6 × 9 =
37. 37.9 × 9 =
38. 38.15 × 9 =
39. 39.12 × 49 =
40. 40.12 × 19 =

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