Multiply by 15 Worksheet

Speed calculation lesson 8: × 15: ten plus half · Set 609 · 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. 1.20 × 15 =
2. 2.10 × 15 =
3. 3.46 × 15 =
4. 4.6 × 15 =
5. 5.13 × 15 =
6. 6.35 × 15 =
7. 7.25 × 15 =
8. 8.9 × 15 =
9. 9.48 × 15 =
10. 10.46 × 15 =
11. 11.32 × 15 =
12. 12.59 × 15 =
13. 13.36 × 15 =
14. 14.53 × 15 =
15. 15.22 × 15 =
16. 16.12 × 15 =
17. 17.18 × 15 =
18. 18.12 × 15 =
19. 19.20 × 15 =
20. 20.34 × 15 =
21. 21.34 × 15 =
22. 22.48 × 15 =
23. 23.63 × 15 =
24. 24.57 × 15 =
25. 25.56 × 15 =
26. 26.22 × 15 =
27. 27.41 × 15 =
28. 28.37 × 15 =
29. 29.6 × 15 =
30. 30.23 × 15 =
31. 31.25 × 15 =
32. 32.53 × 15 =
33. 33.21 × 15 =
34. 34.39 × 15 =
35. 35.8 × 15 =
36. 36.16 × 15 =
37. 37.13 × 15 =
38. 38.30 × 15 =
39. 39.45 × 15 =
40. 40.50 × 15 =

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