Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 247 · 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. 1.12 × 13 =
2. 2.14 × 6 =
3. 3.1011 × 1003 =
4. 4.9 × 9 =
5. 5.107 × 101 =
6. 6.99 × 86 =
7. 7.9 × 9 =
8. 8.106 × 103 =
9. 9.8 × 8 =
10. 10.86 × 94 =
11. 11.99 × 96 =
12. 12.101 × 93 =
13. 13.11 × 14 =
14. 14.6 × 9 =
15. 15.12 × 9 =
16. 16.92 × 99 =
17. 17.89 × 95 =
18. 18.1018 × 1003 =
19. 19.95 × 95 =
20. 20.98 × 97 =
21. 21.107 × 113 =
22. 22.102 × 98 =
23. 23.103 × 113 =
24. 24.12 × 14 =
25. 25.86 × 97 =
26. 26.97 × 91 =
27. 27.91 × 86 =
28. 28.91 × 95 =
29. 29.111 × 88 =
30. 30.104 × 102 =
31. 31.109 × 98 =
32. 32.104 × 105 =
33. 33.106 × 90 =
34. 34.13 × 9 =
35. 35.1003 × 1015 =
36. 36.102 × 107 =
37. 37.89 × 91 =
38. 38.110 × 101 =
39. 39.112 × 103 =
40. 40.95 × 92 =

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