Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 627 · 40 questions

The fast method (Ten and half again): Multiply by 10: 46 → 460. Halve that answer: half of 460 is 230. Add the two: 460 + 230 = 690.

1. 1.27 × 15 =
2. 2.30 × 15 =
3. 3.57 × 15 =
4. 4.11 × 15 =
5. 5.14 × 15 =
6. 6.32 × 15 =
7. 7.39 × 15 =
8. 8.61 × 15 =
9. 9.38 × 15 =
10. 10.17 × 15 =
11. 11.9 × 15 =
12. 12.25 × 15 =
13. 13.17 × 15 =
14. 14.61 × 15 =
15. 15.41 × 15 =
16. 16.17 × 15 =
17. 17.8 × 15 =
18. 18.13 × 15 =
19. 19.58 × 15 =
20. 20.4 × 15 =
21. 21.14 × 15 =
22. 22.62 × 15 =
23. 23.10 × 15 =
24. 24.9 × 15 =
25. 25.14 × 15 =
26. 26.52 × 15 =
27. 27.29 × 15 =
28. 28.19 × 15 =
29. 29.22 × 15 =
30. 30.43 × 15 =
31. 31.45 × 15 =
32. 32.61 × 15 =
33. 33.17 × 15 =
34. 34.22 × 15 =
35. 35.26 × 15 =
36. 36.8 × 15 =
37. 37.52 × 15 =
38. 38.9 × 15 =
39. 39.64 × 15 =
40. 40.62 × 15 =

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