Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 416 · 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. 1.103 × 110 =
2. 2.11 × 7 =
3. 3.1035 × 1009 =
4. 4.108 × 101 =
5. 5.91 × 94 =
6. 6.1012 × 990 =
7. 7.994 × 977 =
8. 8.86 × 88 =
9. 9.87 × 92 =
10. 10.103 × 96 =
11. 11.109 × 97 =
12. 12.98 × 90 =
13. 13.92 × 85 =
14. 14.108 × 110 =
15. 15.6 × 6 =
16. 16.96 × 96 =
17. 17.104 × 115 =
18. 18.1022 × 961 =
19. 19.967 × 992 =
20. 20.99 × 96 =
21. 21.13 × 13 =
22. 22.103 × 101 =
23. 23.1031 × 990 =
24. 24.103 × 101 =
25. 25.99 × 97 =
26. 26.104 × 110 =
27. 27.984 × 979 =
28. 28.7 × 7 =
29. 29.8 × 6 =
30. 30.12 × 8 =
31. 31.13 × 12 =
32. 32.109 × 103 =
33. 33.106 × 89 =
34. 34.1025 × 995 =
35. 35.8 × 7 =
36. 36.1009 × 1015 =
37. 37.1040 × 972 =
38. 38.113 × 109 =
39. 39.101 × 95 =
40. 40.7 × 6 =

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