Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 211 · 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. 1.111 × 105 =
2. 2.14 × 13 =
3. 3.104 × 113 =
4. 4.7 × 8 =
5. 5.12 × 13 =
6. 6.98 × 95 =
7. 7.102 × 87 =
8. 8.11 × 13 =
9. 9.99 × 89 =
10. 10.1023 × 963 =
11. 11.8 × 6 =
12. 12.1012 × 977 =
13. 13.96 × 98 =
14. 14.106 × 89 =
15. 15.11 × 6 =
16. 16.108 × 108 =
17. 17.1017 × 1039 =
18. 18.7 × 8 =
19. 19.94 × 91 =
20. 20.101 × 98 =
21. 21.102 × 104 =
22. 22.974 × 973 =
23. 23.86 × 93 =
24. 24.98 × 90 =
25. 25.99 × 87 =
26. 26.113 × 108 =
27. 27.6 × 6 =
28. 28.11 × 8 =
29. 29.115 × 114 =
30. 30.12 × 12 =
31. 31.113 × 115 =
32. 32.108 × 104 =
33. 33.86 × 87 =
34. 34.89 × 96 =
35. 35.89 × 96 =
36. 36.106 × 101 =
37. 37.14 × 11 =
38. 38.1006 × 1016 =
39. 39.9 × 6 =
40. 40.962 × 989 =

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