Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 713 · 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. 1.1036 × 963 =
2. 2.7 × 7 =
3. 3.9 × 9 =
4. 4.997 × 973 =
5. 5.113 × 102 =
6. 6.92 × 87 =
7. 7.114 × 115 =
8. 8.978 × 997 =
9. 9.112 × 112 =
10. 10.11 × 12 =
11. 11.115 × 86 =
12. 12.99 × 92 =
13. 13.14 × 9 =
14. 14.88 × 90 =
15. 15.13 × 8 =
16. 16.95 × 94 =
17. 17.7 × 6 =
18. 18.1007 × 1021 =
19. 19.88 × 96 =
20. 20.114 × 110 =
21. 21.91 × 96 =
22. 22.99 × 86 =
23. 23.89 × 92 =
24. 24.11 × 13 =
25. 25.6 × 7 =
26. 26.9 × 7 =
27. 27.110 × 109 =
28. 28.14 × 8 =
29. 29.11 × 12 =
30. 30.88 × 99 =
31. 31.13 × 13 =
32. 32.86 × 92 =
33. 33.113 × 107 =
34. 34.7 × 7 =
35. 35.111 × 99 =
36. 36.94 × 99 =
37. 37.1001 × 1026 =
38. 38.14 × 12 =
39. 39.1039 × 1010 =
40. 40.86 × 96 =

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