Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 388 · 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. 1.8 × 8 =
2. 2.87 × 86 =
3. 3.6 × 8 =
4. 4.114 × 101 =
5. 5.996 × 972 =
6. 6.14 × 12 =
7. 7.13 × 9 =
8. 8.114 × 109 =
9. 9.8 × 8 =
10. 10.13 × 6 =
11. 11.87 × 90 =
12. 12.112 × 105 =
13. 13.12 × 8 =
14. 14.87 × 94 =
15. 15.1016 × 1039 =
16. 16.85 × 98 =
17. 17.111 × 113 =
18. 18.7 × 9 =
19. 19.112 × 111 =
20. 20.12 × 14 =
21. 21.90 × 93 =
22. 22.111 × 113 =
23. 23.1007 × 963 =
24. 24.13 × 12 =
25. 25.9 × 6 =
26. 26.986 × 987 =
27. 27.105 × 109 =
28. 28.1035 × 984 =
29. 29.86 × 91 =
30. 30.104 × 96 =
31. 31.105 × 95 =
32. 32.997 × 984 =
33. 33.11 × 6 =
34. 34.14 × 11 =
35. 35.11 × 9 =
36. 36.14 × 8 =
37. 37.114 × 106 =
38. 38.14 × 12 =
39. 39.105 × 102 =
40. 40.114 × 113 =

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