Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 365 · 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. 1.99 × 96 =
2. 2.92 × 90 =
3. 3.8 × 9 =
4. 4.96 × 89 =
5. 5.101 × 110 =
6. 6.93 × 88 =
7. 7.11 × 6 =
8. 8.7 × 6 =
9. 9.7 × 7 =
10. 10.98 × 92 =
11. 11.1010 × 1003 =
12. 12.9 × 9 =
13. 13.7 × 8 =
14. 14.1002 × 1002 =
15. 15.91 × 94 =
16. 16.6 × 8 =
17. 17.9 × 7 =
18. 18.12 × 9 =
19. 19.1004 × 993 =
20. 20.95 × 97 =
21. 21.104 × 98 =
22. 22.111 × 98 =
23. 23.8 × 7 =
24. 24.103 × 98 =
25. 25.1014 × 1029 =
26. 26.109 × 93 =
27. 27.6 × 7 =
28. 28.97 × 95 =
29. 29.962 × 980 =
30. 30.115 × 85 =
31. 31.1037 × 1002 =
32. 32.986 × 972 =
33. 33.103 × 102 =
34. 34.109 × 113 =
35. 35.977 × 976 =
36. 36.115 × 103 =
37. 37.994 × 967 =
38. 38.96 × 97 =
39. 39.107 × 92 =
40. 40.6 × 9 =

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