Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 74 · 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. 1.6 × 9 =
2. 2.979 × 961 =
3. 3.988 × 982 =
4. 4.8 × 9 =
5. 5.111 × 89 =
6. 6.115 × 95 =
7. 7.89 × 86 =
8. 8.8 × 6 =
9. 9.111 × 91 =
10. 10.102 × 109 =
11. 11.104 × 110 =
12. 12.13 × 12 =
13. 13.11 × 11 =
14. 14.1034 × 963 =
15. 15.105 × 111 =
16. 16.1032 × 996 =
17. 17.102 × 115 =
18. 18.8 × 7 =
19. 19.113 × 96 =
20. 20.85 × 86 =
21. 21.93 × 97 =
22. 22.104 × 95 =
23. 23.106 × 89 =
24. 24.109 × 101 =
25. 25.1012 × 986 =
26. 26.961 × 989 =
27. 27.1021 × 1026 =
28. 28.87 × 90 =
29. 29.112 × 96 =
30. 30.104 × 92 =
31. 31.11 × 11 =
32. 32.97 × 94 =
33. 33.101 × 96 =
34. 34.103 × 98 =
35. 35.104 × 114 =
36. 36.1006 × 975 =
37. 37.12 × 6 =
38. 38.107 × 89 =
39. 39.109 × 93 =
40. 40.14 × 12 =

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