Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 131 · 40 questions

The fast method (Halve first): Halve the number. × 5: multiply the half by 10. × 50: multiply the half by 100. Odd number? Its half ends in .5 — 43 → 21.5 — and × 10 moves the point: 215.

1. 1.13 × 50 =
2. 2.75 × 5 =
3. 3.26 × 50 =
4. 4.32 × 5 =
5. 5.84 × 5 =
6. 6.50 × 50 =
7. 7.88 × 50 =
8. 8.85 × 50 =
9. 9.85 × 5 =
10. 10.47 × 50 =
11. 11.58 × 50 =
12. 12.23 × 50 =
13. 13.31 × 50 =
14. 14.88 × 5 =
15. 15.94 × 5 =
16. 16.93 × 5 =
17. 17.85 × 50 =
18. 18.31 × 5 =
19. 19.42 × 50 =
20. 20.67 × 5 =
21. 21.83 × 50 =
22. 22.27 × 50 =
23. 23.59 × 5 =
24. 24.91 × 50 =
25. 25.73 × 50 =
26. 26.84 × 5 =
27. 27.50 × 50 =
28. 28.46 × 50 =
29. 29.69 × 5 =
30. 30.58 × 5 =
31. 31.93 × 50 =
32. 32.63 × 50 =
33. 33.62 × 50 =
34. 34.33 × 50 =
35. 35.78 × 50 =
36. 36.48 × 50 =
37. 37.36 × 5 =
38. 38.16 × 50 =
39. 39.25 × 50 =
40. 40.94 × 50 =

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