Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 659 · 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. 1.93 × 88 =
2. 2.1027 × 1004 =
3. 3.91 × 99 =
4. 4.89 × 86 =
5. 5.1021 × 989 =
6. 6.96 × 90 =
7. 7.8 × 7 =
8. 8.93 × 95 =
9. 9.114 × 104 =
10. 10.6 × 6 =
11. 11.97 × 89 =
12. 12.12 × 13 =
13. 13.9 × 9 =
14. 14.93 × 93 =
15. 15.980 × 992 =
16. 16.99 × 98 =
17. 17.13 × 14 =
18. 18.6 × 7 =
19. 19.6 × 8 =
20. 20.114 × 99 =
21. 21.110 × 108 =
22. 22.13 × 13 =
23. 23.104 × 89 =
24. 24.91 × 87 =
25. 25.110 × 90 =
26. 26.1031 × 997 =
27. 27.13 × 9 =
28. 28.105 × 102 =
29. 29.87 × 86 =
30. 30.111 × 103 =
31. 31.12 × 6 =
32. 32.1023 × 962 =
33. 33.1020 × 970 =
34. 34.965 × 965 =
35. 35.104 × 102 =
36. 36.85 × 94 =
37. 37.1028 × 1035 =
38. 38.97 × 94 =
39. 39.8 × 8 =
40. 40.1031 × 1024 =

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