Doubling and Halving Worksheet

Tables & multiplication lesson 14: Doubling and halving · Set 405 · 40 questions

How it works (Double and halve): Find the number ending in 5 and the even number. Double the one ending in 5; halve the even one. Repeat while it helps (25 → 50 → 100), then multiply.

1. 1.65 × 16 =
2. 2.12 × 15 =
3. 3.16 × 75 =
4. 4.28 × 65 =
5. 5.65 × 28 =
6. 6.40 × 15 =
7. 7.34 × 75 =
8. 8.38 × 45 =
9. 9.36 × 25 =
10. 10.35 × 14 =
11. 11.45 × 18 =
12. 12.35 × 22 =
13. 13.35 × 20 =
14. 14.14 × 35 =
15. 15.75 × 18 =
16. 16.10 × 15 =
17. 17.75 × 22 =
18. 18.55 × 16 =
19. 19.35 × 18 =
20. 20.14 × 75 =
21. 21.14 × 15 =
22. 22.10 × 15 =
23. 23.55 × 18 =
24. 24.25 × 30 =
25. 25.28 × 25 =
26. 26.28 × 15 =
27. 27.25 × 32 =
28. 28.125 × 22 =
29. 29.125 × 34 =
30. 30.125 × 18 =
31. 31.32 × 25 =
32. 32.30 × 25 =
33. 33.38 × 25 =
34. 34.10 × 45 =
35. 35.25 × 20 =
36. 36.30 × 65 =
37. 37.65 × 36 =
38. 38.32 × 15 =
39. 39.45 × 14 =
40. 40.25 × 8 =

Free tables & multiplication lessons, practice and worksheets at talentjr.in/multiplication-tables