Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 284 · 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. 2.36 × 99 =
3. 3.44 × 99 =
4. 4.211 × 9 =
5. 5.1253 × 999 =
6. 6.508 × 999 =
7. 7.532 × 999 =
8. 8.32 × 99 =
9. 9.151 × 999 =
10. 10.5 × 9 =
11. 11.2 × 9 =
12. 12.2634 × 99 =
13. 13.91 × 99 =
14. 14.4 × 9 =
15. 15.7 × 99 =
16. 16.22 × 99 =
17. 17.12253 × 999 =
18. 18.366 × 999 =
19. 19.201 × 999 =
20. 20.427 × 99 =
21. 21.2865 × 99 =
22. 22.565 × 999 =
23. 23.2617 × 99 =
24. 24.226 × 9 =
25. 25.77 × 99 =
26. 26.51 × 99 =
27. 27.7 × 9 =
28. 28.241 × 9 =
29. 29.26339 × 999 =
30. 30.186 × 999 =
31. 31.6 × 99 =
32. 32.6 × 9 =
33. 33.122 × 9 =
34. 34.206 × 999 =
35. 35.88 × 99 =
36. 36.8468 × 999 =
37. 37.3 × 9 =
38. 38.14 × 99 =
39. 39.2141 × 99 =
40. 40.48 × 99 =

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