Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 163 · 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. 1.114 × 89 =
2. 2.996 × 997 =
3. 3.107 × 110 =
4. 4.7 × 8 =
5. 5.103 × 89 =
6. 6.11 × 6 =
7. 7.9 × 8 =
8. 8.96 × 99 =
9. 9.7 × 8 =
10. 10.103 × 111 =
11. 11.113 × 103 =
12. 12.91 × 85 =
13. 13.94 × 91 =
14. 14.103 × 90 =
15. 15.88 × 85 =
16. 16.999 × 989 =
17. 17.91 × 90 =
18. 18.104 × 95 =
19. 19.94 × 99 =
20. 20.1009 × 1015 =
21. 21.98 × 99 =
22. 22.9 × 8 =
23. 23.88 × 94 =
24. 24.111 × 108 =
25. 25.1018 × 988 =
26. 26.94 × 89 =
27. 27.110 × 103 =
28. 28.107 × 107 =
29. 29.8 × 7 =
30. 30.110 × 95 =
31. 31.99 × 99 =
32. 32.113 × 97 =
33. 33.85 × 96 =
34. 34.114 × 111 =
35. 35.13 × 7 =
36. 36.94 × 88 =
37. 37.95 × 90 =
38. 38.113 × 102 =
39. 39.8 × 7 =
40. 40.1016 × 975 =

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