Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 472 · 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. 1.94 × 93 =
2. 2.13 × 14 =
3. 3.87 × 97 =
4. 4.7 × 9 =
5. 5.6 × 6 =
6. 6.7 × 8 =
7. 7.13 × 8 =
8. 8.6 × 7 =
9. 9.99 × 95 =
10. 10.14 × 9 =
11. 11.11 × 14 =
12. 12.1026 × 991 =
13. 13.104 × 98 =
14. 14.1002 × 1040 =
15. 15.1006 × 1009 =
16. 16.107 × 90 =
17. 17.12 × 9 =
18. 18.13 × 13 =
19. 19.104 × 111 =
20. 20.97 × 95 =
21. 21.963 × 971 =
22. 22.108 × 111 =
23. 23.106 × 107 =
24. 24.107 × 111 =
25. 25.14 × 14 =
26. 26.997 × 987 =
27. 27.90 × 95 =
28. 28.93 × 86 =
29. 29.6 × 8 =
30. 30.978 × 970 =
31. 31.101 × 99 =
32. 32.1031 × 1033 =
33. 33.9 × 9 =
34. 34.115 × 112 =
35. 35.1023 × 1037 =
36. 36.96 × 99 =
37. 37.104 × 99 =
38. 38.98 × 89 =
39. 39.108 × 96 =
40. 40.102 × 105 =

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