Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 169 · 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. 1.113 × 104 =
2. 2.981 × 985 =
3. 3.12 × 14 =
4. 4.6 × 6 =
5. 5.93 × 85 =
6. 6.90 × 99 =
7. 7.1018 × 1010 =
8. 8.11 × 13 =
9. 9.108 × 86 =
10. 10.95 × 93 =
11. 11.85 × 94 =
12. 12.107 × 95 =
13. 13.969 × 978 =
14. 14.105 × 108 =
15. 15.112 × 95 =
16. 16.115 × 105 =
17. 17.1003 × 1040 =
18. 18.86 × 99 =
19. 19.101 × 114 =
20. 20.968 × 967 =
21. 21.104 × 115 =
22. 22.97 × 95 =
23. 23.87 × 96 =
24. 24.112 × 97 =
25. 25.115 × 94 =
26. 26.104 × 88 =
27. 27.11 × 13 =
28. 28.996 × 963 =
29. 29.9 × 6 =
30. 30.1012 × 1008 =
31. 31.1017 × 1001 =
32. 32.92 × 98 =
33. 33.1026 × 1038 =
34. 34.7 × 6 =
35. 35.14 × 8 =
36. 36.98 × 95 =
37. 37.92 × 91 =
38. 38.96 × 88 =
39. 39.113 × 115 =
40. 40.14 × 11 =

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