Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 36 · 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. 1.101 × 104 =
2. 2.89 × 85 =
3. 3.101 × 111 =
4. 4.8 × 6 =
5. 5.14 × 14 =
6. 6.112 × 90 =
7. 7.111 × 94 =
8. 8.11 × 14 =
9. 9.110 × 93 =
10. 10.13 × 6 =
11. 11.94 × 85 =
12. 12.101 × 94 =
13. 13.99 × 85 =
14. 14.1004 × 999 =
15. 15.102 × 101 =
16. 16.102 × 86 =
17. 17.1006 × 1014 =
18. 18.113 × 99 =
19. 19.111 × 102 =
20. 20.992 × 963 =
21. 21.113 × 114 =
22. 22.112 × 103 =
23. 23.96 × 97 =
24. 24.6 × 9 =
25. 25.93 × 96 =
26. 26.98 × 89 =
27. 27.11 × 9 =
28. 28.96 × 95 =
29. 29.97 × 96 =
30. 30.1007 × 1027 =
31. 31.109 × 98 =
32. 32.9 × 9 =
33. 33.92 × 96 =
34. 34.106 × 102 =
35. 35.107 × 90 =
36. 36.109 × 95 =
37. 37.103 × 93 =
38. 38.114 × 112 =
39. 39.989 × 993 =
40. 40.1002 × 1020 =

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