Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 175 · 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. 1.88 × 99 =
2. 2.98 × 87 =
3. 3.989 × 982 =
4. 4.93 × 95 =
5. 5.14 × 12 =
6. 6.987 × 983 =
7. 7.1006 × 1024 =
8. 8.92 × 90 =
9. 9.13 × 9 =
10. 10.102 × 91 =
11. 11.106 × 94 =
12. 12.101 × 99 =
13. 13.14 × 11 =
14. 14.11 × 11 =
15. 15.105 × 104 =
16. 16.8 × 9 =
17. 17.103 × 90 =
18. 18.104 × 108 =
19. 19.103 × 87 =
20. 20.6 × 7 =
21. 21.1003 × 1009 =
22. 22.7 × 9 =
23. 23.88 × 91 =
24. 24.6 × 6 =
25. 25.95 × 96 =
26. 26.113 × 109 =
27. 27.1004 × 1014 =
28. 28.105 × 108 =
29. 29.995 × 983 =
30. 30.110 × 89 =
31. 31.12 × 14 =
32. 32.12 × 12 =
33. 33.13 × 12 =
34. 34.94 × 93 =
35. 35.1019 × 962 =
36. 36.986 × 975 =
37. 37.962 × 970 =
38. 38.109 × 87 =
39. 39.94 × 92 =
40. 40.106 × 94 =

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