Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 319 · 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. 1.96 × 99 =
2. 2.109 × 104 =
3. 3.108 × 89 =
4. 4.97 × 94 =
5. 5.12 × 14 =
6. 6.6 × 9 =
7. 7.14 × 13 =
8. 8.13 × 12 =
9. 9.91 × 89 =
10. 10.106 × 113 =
11. 11.87 × 87 =
12. 12.988 × 980 =
13. 13.1019 × 974 =
14. 14.999 × 980 =
15. 15.12 × 6 =
16. 16.89 × 85 =
17. 17.13 × 14 =
18. 18.91 × 98 =
19. 19.9 × 9 =
20. 20.114 × 111 =
21. 21.103 × 114 =
22. 22.88 × 89 =
23. 23.114 × 108 =
24. 24.112 × 89 =
25. 25.1027 × 1033 =
26. 26.11 × 7 =
27. 27.1030 × 990 =
28. 28.97 × 88 =
29. 29.94 × 85 =
30. 30.13 × 11 =
31. 31.14 × 13 =
32. 32.95 × 95 =
33. 33.11 × 6 =
34. 34.95 × 87 =
35. 35.90 × 93 =
36. 36.7 × 9 =
37. 37.96 × 90 =
38. 38.6 × 6 =
39. 39.98 × 87 =
40. 40.12 × 8 =

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