Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 616 · 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. 1.14 × 12 =
2. 2.99 × 96 =
3. 3.95 × 97 =
4. 4.1018 × 1032 =
5. 5.12 × 11 =
6. 6.109 × 90 =
7. 7.95 × 97 =
8. 8.989 × 960 =
9. 9.11 × 9 =
10. 10.85 × 94 =
11. 11.1009 × 1016 =
12. 12.85 × 93 =
13. 13.6 × 9 =
14. 14.113 × 110 =
15. 15.12 × 14 =
16. 16.6 × 8 =
17. 17.7 × 9 =
18. 18.14 × 7 =
19. 19.113 × 103 =
20. 20.97 × 88 =
21. 21.107 × 94 =
22. 22.112 × 98 =
23. 23.14 × 8 =
24. 24.93 × 87 =
25. 25.108 × 90 =
26. 26.113 × 92 =
27. 27.12 × 14 =
28. 28.1004 × 1025 =
29. 29.87 × 87 =
30. 30.93 × 93 =
31. 31.1013 × 1001 =
32. 32.104 × 97 =
33. 33.101 × 108 =
34. 34.98 × 85 =
35. 35.961 × 973 =
36. 36.115 × 91 =
37. 37.98 × 93 =
38. 38.9 × 8 =
39. 39.103 × 102 =
40. 40.97 × 95 =

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