Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 578 · 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 × 49 =
2. 2.22 × 99 =
3. 3.11 × 49 =
4. 4.9 × 29 =
5. 5.35 × 99 =
6. 6.3 × 9 =
7. 7.17 × 98 =
8. 8.38 × 98 =
9. 9.15 × 19 =
10. 10.9 × 49 =
11. 11.11 × 98 =
12. 12.14 × 29 =
13. 13.15 × 98 =
14. 14.14 × 19 =
15. 15.37 × 98 =
16. 16.11 × 99 =
17. 17.6 × 9 =
18. 18.38 × 99 =
19. 19.16 × 99 =
20. 20.15 × 19 =
21. 21.5 × 99 =
22. 22.9 × 49 =
23. 23.25 × 98 =
24. 24.38 × 99 =
25. 25.5 × 19 =
26. 26.11 × 49 =
27. 27.21 × 99 =
28. 28.11 × 19 =
29. 29.5 × 19 =
30. 30.5 × 9 =
31. 31.9 × 29 =
32. 32.3 × 49 =
33. 33.14 × 19 =
34. 34.33 × 99 =
35. 35.35 × 98 =
36. 36.3 × 9 =
37. 37.6 × 29 =
38. 38.6 × 9 =
39. 39.9 × 9 =
40. 40.8 × 29 =

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