Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 690 · 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 × 11 =
2. 2.106 × 115 =
3. 3.13 × 12 =
4. 4.14 × 13 =
5. 5.1007 × 1018 =
6. 6.106 × 103 =
7. 7.103 × 96 =
8. 8.88 × 88 =
9. 9.7 × 9 =
10. 10.90 × 95 =
11. 11.9 × 8 =
12. 12.92 × 95 =
13. 13.88 × 94 =
14. 14.103 × 106 =
15. 15.8 × 9 =
16. 16.1026 × 960 =
17. 17.85 × 98 =
18. 18.88 × 98 =
19. 19.8 × 6 =
20. 20.85 × 95 =
21. 21.1025 × 1011 =
22. 22.7 × 7 =
23. 23.1017 × 1025 =
24. 24.9 × 9 =
25. 25.92 × 85 =
26. 26.1009 × 978 =
27. 27.106 × 90 =
28. 28.14 × 7 =
29. 29.108 × 109 =
30. 30.13 × 9 =
31. 31.11 × 7 =
32. 32.1005 × 1001 =
33. 33.102 × 88 =
34. 34.113 × 99 =
35. 35.11 × 9 =
36. 36.13 × 12 =
37. 37.108 × 114 =
38. 38.112 × 112 =
39. 39.101 × 87 =
40. 40.110 × 103 =

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