Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 334 · 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. 1.102 × 94 =
2. 2.105 × 112 =
3. 3.109 × 110 =
4. 4.86 × 92 =
5. 5.980 × 962 =
6. 6.98 × 85 =
7. 7.8 × 7 =
8. 8.9 × 9 =
9. 9.95 × 97 =
10. 10.11 × 8 =
11. 11.979 × 975 =
12. 12.86 × 90 =
13. 13.90 × 92 =
14. 14.1028 × 1003 =
15. 15.14 × 14 =
16. 16.103 × 102 =
17. 17.95 × 93 =
18. 18.14 × 9 =
19. 19.103 × 102 =
20. 20.8 × 9 =
21. 21.114 × 105 =
22. 22.9 × 8 =
23. 23.98 × 99 =
24. 24.7 × 6 =
25. 25.975 × 989 =
26. 26.14 × 7 =
27. 27.91 × 94 =
28. 28.994 × 991 =
29. 29.9 × 8 =
30. 30.13 × 8 =
31. 31.982 × 988 =
32. 32.106 × 94 =
33. 33.112 × 90 =
34. 34.99 × 88 =
35. 35.1008 × 983 =
36. 36.1039 × 1005 =
37. 37.105 × 115 =
38. 38.14 × 14 =
39. 39.12 × 6 =
40. 40.106 × 86 =

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