Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 970 · 40 sums

The trick (Ekanyunena Purvena): Write the number with as many digits as there are nines (add zeros in front if needed). Left part: the number minus 1. Right part: “all from 9 and the last from 10” of the number. More digits than the nines (237 × 99)? Split off as many digits as there are nines (2 | 37): left = number − (front part + 1) = 234, right = complement of 37 = 63 → 23463.

1. 1.2 × 99 =
2. 2.6 × 9 =
3. 3.48 × 9 =
4. 4.762 × 999 =
5. 5.16 × 99 =
6. 6.567 × 99 =
7. 7.342 × 999 =
8. 8.902 × 999 =
9. 9.967 × 999 =
10. 10.6 × 9 =
11. 11.1755 × 99 =
12. 12.12583 × 999 =
13. 13.6 × 9 =
14. 14.4 × 9 =
15. 15.661 × 999 =
16. 16.5 × 9 =
17. 17.22126 × 999 =
18. 18.29 × 99 =
19. 19.552 × 999 =
20. 20.16 × 99 =
21. 21.6527 × 999 =
22. 22.681 × 999 =
23. 23.76 × 99 =
24. 24.661 × 999 =
25. 25.95 × 99 =
26. 26.245 × 9 =
27. 27.5 × 9 =
28. 28.19 × 9 =
29. 29.4 × 99 =
30. 30.12 × 99 =
31. 31.7 × 9 =
32. 32.77 × 99 =
33. 33.24 × 99 =
34. 34.1358 × 99 =
35. 35.4 × 9 =
36. 36.236 × 999 =
37. 37.56 × 9 =
38. 38.8 × 9 =
39. 39.3539 × 999 =
40. 40.8 × 9 =

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