Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 943 · 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. 1.253 × 999 =
2. 2.1995 × 99 =
3. 3.86 × 99 =
4. 4.8 × 9 =
5. 5.23 × 999 =
6. 6.3 × 9 =
7. 7.8 × 9 =
8. 8.878 × 99 =
9. 9.4301 × 999 =
10. 10.454 × 999 =
11. 11.2053 × 99 =
12. 12.98 × 99 =
13. 13.1471 × 99 =
14. 14.16 × 99 =
15. 15.20258 × 999 =
16. 16.26 × 99 =
17. 17.62 × 99 =
18. 18.15 × 99 =
19. 19.51 × 99 =
20. 20.16 × 99 =
21. 21.337 × 999 =
22. 22.11 × 99 =
23. 23.21 × 99 =
24. 24.65 × 99 =
25. 25.91 × 99 =
26. 26.79 × 99 =
27. 27.2417 × 99 =
28. 28.21 × 99 =
29. 29.16 × 99 =
30. 30.18 × 99 =
31. 31.81 × 99 =
32. 32.207 × 9 =
33. 33.2 × 9 =
34. 34.22791 × 999 =
35. 35.15 × 99 =
36. 36.3 × 9 =
37. 37.322 × 999 =
38. 38.7 × 9 =
39. 39.732 × 999 =
40. 40.73 × 999 =

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