Multiply by 5 and 50 Worksheet

Speed calculation lesson 7: × 5 and × 50: halve first · Set 296 · 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. 1.73 × 5 =
2. 2.73 × 5 =
3. 3.61 × 5 =
4. 4.81 × 5 =
5. 5.56 × 5 =
6. 6.62 × 5 =
7. 7.15 × 5 =
8. 8.60 × 50 =
9. 9.83 × 5 =
10. 10.47 × 5 =
11. 11.13 × 50 =
12. 12.84 × 50 =
13. 13.18 × 50 =
14. 14.33 × 5 =
15. 15.91 × 50 =
16. 16.16 × 50 =
17. 17.26 × 50 =
18. 18.58 × 5 =
19. 19.98 × 5 =
20. 20.73 × 50 =
21. 21.48 × 5 =
22. 22.28 × 5 =
23. 23.67 × 5 =
24. 24.82 × 50 =
25. 25.66 × 50 =
26. 26.94 × 50 =
27. 27.20 × 5 =
28. 28.35 × 5 =
29. 29.14 × 50 =
30. 30.45 × 50 =
31. 31.15 × 5 =
32. 32.63 × 50 =
33. 33.50 × 5 =
34. 34.94 × 50 =
35. 35.58 × 5 =
36. 36.48 × 5 =
37. 37.30 × 5 =
38. 38.90 × 50 =
39. 39.33 × 5 =
40. 40.43 × 50 =

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