Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 177 · 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. 1.13 × 8 =
2. 2.95 × 94 =
3. 3.969 × 989 =
4. 4.92 × 89 =
5. 5.1030 × 994 =
6. 6.1039 × 1013 =
7. 7.115 × 110 =
8. 8.98 × 91 =
9. 9.114 × 101 =
10. 10.94 × 92 =
11. 11.115 × 115 =
12. 12.104 × 95 =
13. 13.102 × 101 =
14. 14.11 × 6 =
15. 15.105 × 112 =
16. 16.982 × 980 =
17. 17.6 × 7 =
18. 18.94 × 94 =
19. 19.103 × 98 =
20. 20.998 × 997 =
21. 21.92 × 93 =
22. 22.95 × 93 =
23. 23.85 × 98 =
24. 24.11 × 11 =
25. 25.1022 × 971 =
26. 26.112 × 114 =
27. 27.104 × 108 =
28. 28.6 × 7 =
29. 29.97 × 86 =
30. 30.89 × 95 =
31. 31.112 × 101 =
32. 32.85 × 89 =
33. 33.113 × 90 =
34. 34.102 × 98 =
35. 35.14 × 13 =
36. 36.99 × 88 =
37. 37.6 × 8 =
38. 38.14 × 8 =
39. 39.13 × 9 =
40. 40.12 × 13 =

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