Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 660 · 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. 1.1020 × 986 =
2. 2.91 × 91 =
3. 3.85 × 98 =
4. 4.104 × 91 =
5. 5.113 × 103 =
6. 6.98 × 91 =
7. 7.1007 × 1011 =
8. 8.110 × 112 =
9. 9.12 × 13 =
10. 10.96 × 96 =
11. 11.12 × 6 =
12. 12.12 × 9 =
13. 13.114 × 95 =
14. 14.963 × 974 =
15. 15.13 × 13 =
16. 16.975 × 979 =
17. 17.96 × 96 =
18. 18.101 × 112 =
19. 19.107 × 89 =
20. 20.90 × 99 =
21. 21.980 × 978 =
22. 22.92 × 96 =
23. 23.995 × 969 =
24. 24.112 × 98 =
25. 25.13 × 13 =
26. 26.978 × 967 =
27. 27.107 × 88 =
28. 28.6 × 9 =
29. 29.13 × 11 =
30. 30.1007 × 982 =
31. 31.94 × 89 =
32. 32.999 × 978 =
33. 33.109 × 105 =
34. 34.997 × 995 =
35. 35.102 × 98 =
36. 36.1035 × 999 =
37. 37.7 × 9 =
38. 38.971 × 998 =
39. 39.96 × 87 =
40. 40.97 × 87 =

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