Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 653 · 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. 1.103 × 114 =
2. 2.105 × 85 =
3. 3.1010 × 1002 =
4. 4.105 × 99 =
5. 5.14 × 7 =
6. 6.11 × 11 =
7. 7.90 × 95 =
8. 8.112 × 115 =
9. 9.7 × 7 =
10. 10.977 × 971 =
11. 11.107 × 111 =
12. 12.12 × 7 =
13. 13.110 × 114 =
14. 14.11 × 11 =
15. 15.11 × 13 =
16. 16.99 × 97 =
17. 17.999 × 967 =
18. 18.7 × 8 =
19. 19.13 × 11 =
20. 20.1012 × 968 =
21. 21.113 × 103 =
22. 22.11 × 6 =
23. 23.9 × 6 =
24. 24.97 × 86 =
25. 25.85 × 98 =
26. 26.85 × 94 =
27. 27.98 × 89 =
28. 28.87 × 90 =
29. 29.103 × 98 =
30. 30.99 × 95 =
31. 31.95 × 91 =
32. 32.9 × 9 =
33. 33.96 × 86 =
34. 34.11 × 12 =
35. 35.1026 × 1002 =
36. 36.1009 × 970 =
37. 37.7 × 8 =
38. 38.6 × 7 =
39. 39.6 × 8 =
40. 40.101 × 98 =

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