Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 67 · 40 sums

The trick (Nikhilam Navatashcaramam Dashatah): Write how far each number is from the base (− if below, + if above). Left part: cross-add — one number plus the other’s difference. Right part: multiply the two differences; it must have as many digits as the base has zeros (carry the extra). One above and one below? The right part is negative: take 1 from the left part and write base − that amount.

1. 1.12 × 8 =
2. 2.6 × 7 =
3. 3.14 × 11 =
4. 4.6 × 9 =
5. 5.9 × 9 =
6. 6.13 × 9 =
7. 7.8 × 8 =
8. 8.11 × 13 =
9. 9.9 × 9 =
10. 10.14 × 8 =
11. 11.103 × 99 =
12. 12.114 × 86 =
13. 13.109 × 96 =
14. 14.6 × 9 =
15. 15.1036 × 997 =
16. 16.106 × 96 =
17. 17.115 × 104 =
18. 18.11 × 6 =
19. 19.1009 × 1034 =
20. 20.11 × 12 =
21. 21.96 × 88 =
22. 22.7 × 7 =
23. 23.11 × 12 =
24. 24.1025 × 1014 =
25. 25.12 × 7 =
26. 26.11 × 12 =
27. 27.103 × 95 =
28. 28.973 × 984 =
29. 29.7 × 7 =
30. 30.1019 × 1028 =
31. 31.99 × 96 =
32. 32.7 × 6 =
33. 33.89 × 95 =
34. 34.97 × 92 =
35. 35.11 × 9 =
36. 36.12 × 7 =
37. 37.13 × 9 =
38. 38.86 × 98 =
39. 39.1002 × 989 =
40. 40.105 × 93 =

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