Round and Adjust Multiplication Worksheet

Tables & multiplication lesson 16: Round and adjust · Set 968 · 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. 1.6 × 98 =
2. 2.20 × 99 =
3. 3.7 × 9 =
4. 4.4 × 19 =
5. 5.9 × 9 =
6. 6.3 × 19 =
7. 7.10 × 19 =
8. 8.6 × 29 =
9. 9.14 × 19 =
10. 10.9 × 19 =
11. 11.13 × 9 =
12. 12.5 × 49 =
13. 13.15 × 49 =
14. 14.3 × 98 =
15. 15.32 × 99 =
16. 16.38 × 98 =
17. 17.12 × 19 =
18. 18.3 × 98 =
19. 19.14 × 9 =
20. 20.5 × 9 =
21. 21.14 × 99 =
22. 22.3 × 49 =
23. 23.12 × 29 =
24. 24.4 × 9 =
25. 25.10 × 29 =
26. 26.17 × 98 =
27. 27.9 × 9 =
28. 28.6 × 19 =
29. 29.10 × 49 =
30. 30.37 × 99 =
31. 31.13 × 49 =
32. 32.12 × 29 =
33. 33.37 × 99 =
34. 34.20 × 98 =
35. 35.3 × 29 =
36. 36.8 × 19 =
37. 37.10 × 19 =
38. 38.34 × 99 =
39. 39.12 × 9 =
40. 40.7 × 49 =

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