Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 7 · 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. 1.112 × 110 =
2. 2.89 × 96 =
3. 3.85 × 92 =
4. 4.110 × 114 =
5. 5.85 × 93 =
6. 6.87 × 90 =
7. 7.1022 × 1018 =
8. 8.9 × 6 =
9. 9.114 × 104 =
10. 10.106 × 95 =
11. 11.105 × 91 =
12. 12.6 × 9 =
13. 13.110 × 112 =
14. 14.978 × 989 =
15. 15.14 × 11 =
16. 16.991 × 975 =
17. 17.114 × 95 =
18. 18.93 × 98 =
19. 19.988 × 964 =
20. 20.93 × 88 =
21. 21.981 × 971 =
22. 22.1007 × 976 =
23. 23.114 × 104 =
24. 24.96 × 93 =
25. 25.87 × 99 =
26. 26.109 × 99 =
27. 27.14 × 14 =
28. 28.6 × 9 =
29. 29.103 × 90 =
30. 30.1006 × 997 =
31. 31.109 × 104 =
32. 32.97 × 90 =
33. 33.1005 × 1032 =
34. 34.113 × 87 =
35. 35.11 × 8 =
36. 36.115 × 112 =
37. 37.13 × 12 =
38. 38.12 × 7 =
39. 39.91 × 86 =
40. 40.9 × 8 =

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