Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 60 · 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. 1.7 × 6 =
2. 2.11 × 8 =
3. 3.1033 × 1014 =
4. 4.112 × 106 =
5. 5.103 × 92 =
6. 6.111 × 112 =
7. 7.99 × 96 =
8. 8.14 × 12 =
9. 9.11 × 13 =
10. 10.109 × 110 =
11. 11.1037 × 980 =
12. 12.99 × 95 =
13. 13.101 × 85 =
14. 14.8 × 7 =
15. 15.982 × 983 =
16. 16.86 × 87 =
17. 17.110 × 93 =
18. 18.98 × 85 =
19. 19.985 × 963 =
20. 20.106 × 98 =
21. 21.965 × 988 =
22. 22.111 × 92 =
23. 23.9 × 7 =
24. 24.114 × 105 =
25. 25.7 × 8 =
26. 26.109 × 87 =
27. 27.7 × 9 =
28. 28.9 × 6 =
29. 29.1012 × 998 =
30. 30.11 × 14 =
31. 31.108 × 102 =
32. 32.1011 × 971 =
33. 33.94 × 99 =
34. 34.997 × 965 =
35. 35.1036 × 1003 =
36. 36.985 × 960 =
37. 37.112 × 97 =
38. 38.12 × 8 =
39. 39.12 × 11 =
40. 40.103 × 111 =

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