Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 972 · 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. 1.35 × 98 =
2. 2.6 × 49 =
3. 3.40 × 99 =
4. 4.4 × 99 =
5. 5.8 × 49 =
6. 6.13 × 49 =
7. 7.14 × 29 =
8. 8.15 × 29 =
9. 9.6 × 9 =
10. 10.12 × 29 =
11. 11.5 × 9 =
12. 12.9 × 49 =
13. 13.21 × 98 =
14. 14.35 × 99 =
15. 15.11 × 9 =
16. 16.3 × 19 =
17. 17.14 × 29 =
18. 18.3 × 99 =
19. 19.12 × 98 =
20. 20.3 × 49 =
21. 21.8 × 49 =
22. 22.4 × 19 =
23. 23.7 × 49 =
24. 24.13 × 98 =
25. 25.10 × 9 =
26. 26.3 × 19 =
27. 27.13 × 99 =
28. 28.8 × 29 =
29. 29.29 × 99 =
30. 30.12 × 99 =
31. 31.9 × 49 =
32. 32.13 × 98 =
33. 33.11 × 99 =
34. 34.13 × 29 =
35. 35.8 × 98 =
36. 36.15 × 19 =
37. 37.27 × 98 =
38. 38.6 × 99 =
39. 39.14 × 49 =
40. 40.3 × 29 =

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