Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 152 · 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. 1.85 × 91 =
2. 2.13 × 13 =
3. 3.103 × 98 =
4. 4.1012 × 1001 =
5. 5.9 × 8 =
6. 6.107 × 90 =
7. 7.1003 × 968 =
8. 8.8 × 7 =
9. 9.1022 × 999 =
10. 10.97 × 91 =
11. 11.990 × 963 =
12. 12.90 × 90 =
13. 13.11 × 8 =
14. 14.983 × 987 =
15. 15.995 × 970 =
16. 16.88 × 88 =
17. 17.94 × 86 =
18. 18.961 × 966 =
19. 19.92 × 89 =
20. 20.14 × 12 =
21. 21.968 × 992 =
22. 22.12 × 7 =
23. 23.104 × 109 =
24. 24.9 × 9 =
25. 25.9 × 9 =
26. 26.103 × 98 =
27. 27.90 × 98 =
28. 28.9 × 6 =
29. 29.14 × 11 =
30. 30.112 × 107 =
31. 31.115 × 102 =
32. 32.89 × 94 =
33. 33.101 × 115 =
34. 34.6 × 7 =
35. 35.104 × 89 =
36. 36.96 × 89 =
37. 37.85 × 93 =
38. 38.1026 × 997 =
39. 39.7 × 6 =
40. 40.93 × 93 =

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