Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 817 · 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. 1.28 × 15 =
2. 2.5 × 15 =
3. 3.25 × 15 =
4. 4.52 × 15 =
5. 5.14 × 15 =
6. 6.15 × 15 =
7. 7.17 × 15 =
8. 8.10 × 15 =
9. 9.41 × 15 =
10. 10.25 × 15 =
11. 11.39 × 15 =
12. 12.6 × 15 =
13. 13.32 × 15 =
14. 14.9 × 15 =
15. 15.51 × 15 =
16. 16.4 × 15 =
17. 17.19 × 15 =
18. 18.40 × 15 =
19. 19.16 × 15 =
20. 20.5 × 15 =
21. 21.11 × 15 =
22. 22.21 × 15 =
23. 23.10 × 15 =
24. 24.16 × 15 =
25. 25.22 × 15 =
26. 26.24 × 15 =
27. 27.44 × 15 =
28. 28.13 × 15 =
29. 29.53 × 15 =
30. 30.4 × 15 =
31. 31.20 × 15 =
32. 32.61 × 15 =
33. 33.25 × 15 =
34. 34.9 × 15 =
35. 35.37 × 15 =
36. 36.5 × 15 =
37. 37.13 × 15 =
38. 38.54 × 15 =
39. 39.55 × 15 =
40. 40.62 × 15 =

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths