Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 230 · 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 × 11 =
2. 2.11 × 8 =
3. 3.111 × 107 =
4. 4.986 × 987 =
5. 5.96 × 88 =
6. 6.98 × 97 =
7. 7.87 × 94 =
8. 8.9 × 9 =
9. 9.967 × 974 =
10. 10.13 × 7 =
11. 11.991 × 971 =
12. 12.107 × 92 =
13. 13.94 × 88 =
14. 14.93 × 96 =
15. 15.91 × 94 =
16. 16.107 × 87 =
17. 17.95 × 94 =
18. 18.88 × 86 =
19. 19.101 × 105 =
20. 20.95 × 93 =
21. 21.105 × 88 =
22. 22.11 × 9 =
23. 23.13 × 12 =
24. 24.101 × 103 =
25. 25.8 × 7 =
26. 26.11 × 8 =
27. 27.976 × 998 =
28. 28.7 × 9 =
29. 29.97 × 94 =
30. 30.102 × 91 =
31. 31.88 × 92 =
32. 32.96 × 87 =
33. 33.113 × 99 =
34. 34.11 × 13 =
35. 35.115 × 92 =
36. 36.14 × 13 =
37. 37.14 × 12 =
38. 38.88 × 96 =
39. 39.101 × 94 =
40. 40.96 × 90 =

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