Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 593 · 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. 1.25 × 50 =
2. 2.35 × 50 =
3. 3.92 × 50 =
4. 4.84 × 50 =
5. 5.87 × 5 =
6. 6.55 × 50 =
7. 7.83 × 5 =
8. 8.53 × 5 =
9. 9.12 × 5 =
10. 10.24 × 5 =
11. 11.40 × 50 =
12. 12.62 × 5 =
13. 13.86 × 50 =
14. 14.18 × 50 =
15. 15.50 × 50 =
16. 16.83 × 50 =
17. 17.35 × 50 =
18. 18.27 × 5 =
19. 19.86 × 50 =
20. 20.44 × 5 =
21. 21.23 × 50 =
22. 22.93 × 50 =
23. 23.72 × 50 =
24. 24.63 × 5 =
25. 25.19 × 50 =
26. 26.61 × 50 =
27. 27.25 × 5 =
28. 28.46 × 50 =
29. 29.49 × 5 =
30. 30.23 × 5 =
31. 31.40 × 50 =
32. 32.66 × 50 =
33. 33.37 × 5 =
34. 34.47 × 5 =
35. 35.31 × 50 =
36. 36.72 × 50 =
37. 37.37 × 5 =
38. 38.38 × 5 =
39. 39.49 × 5 =
40. 40.96 × 50 =

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