Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 887 · 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. 1.351 × 999 =
2. 2.233 × 9 =
3. 3.316 × 999 =
4. 4.8 × 9 =
5. 5.6 × 9 =
6. 6.1397 × 99 =
7. 7.196 × 999 =
8. 8.326 × 999 =
9. 9.3 × 9 =
10. 10.21 × 99 =
11. 11.61 × 999 =
12. 12.3 × 9 =
13. 13.454 × 999 =
14. 14.7 × 9 =
15. 15.27662 × 999 =
16. 16.87 × 99 =
17. 17.11 × 99 =
18. 18.91 × 99 =
19. 19.102 × 999 =
20. 20.765 × 999 =
21. 21.72 × 9 =
22. 22.19397 × 999 =
23. 23.7 × 9 =
24. 24.27 × 99 =
25. 25.18604 × 999 =
26. 26.776 × 999 =
27. 27.29 × 99 =
28. 28.31 × 99 =
29. 29.3 × 9 =
30. 30.836 × 999 =
31. 31.8 × 9 =
32. 32.89 × 9 =
33. 33.3 × 9 =
34. 34.6 × 9 =
35. 35.92 × 99 =
36. 36.206 × 9 =
37. 37.29038 × 999 =
38. 38.1467 × 99 =
39. 39.1084 × 99 =
40. 40.91 × 99 =

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