Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 484 · 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. 1.87 × 86 =
2. 2.94 × 98 =
3. 3.106 × 85 =
4. 4.998 × 974 =
5. 5.1024 × 986 =
6. 6.105 × 112 =
7. 7.97 × 86 =
8. 8.91 × 95 =
9. 9.94 × 98 =
10. 10.88 × 90 =
11. 11.98 × 91 =
12. 12.11 × 7 =
13. 13.985 × 989 =
14. 14.105 × 101 =
15. 15.8 × 7 =
16. 16.7 × 7 =
17. 17.87 × 88 =
18. 18.92 × 98 =
19. 19.963 × 989 =
20. 20.104 × 91 =
21. 21.111 × 97 =
22. 22.9 × 7 =
23. 23.994 × 989 =
24. 24.87 × 97 =
25. 25.1007 × 971 =
26. 26.95 × 87 =
27. 27.9 × 8 =
28. 28.113 × 111 =
29. 29.113 × 89 =
30. 30.13 × 12 =
31. 31.88 × 88 =
32. 32.105 × 94 =
33. 33.979 × 971 =
34. 34.1022 × 1003 =
35. 35.7 × 9 =
36. 36.988 × 995 =
37. 37.11 × 7 =
38. 38.9 × 9 =
39. 39.13 × 7 =
40. 40.113 × 87 =

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