Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 235 · 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. 1.13 × 12 =
2. 2.103 × 107 =
3. 3.1007 × 1025 =
4. 4.1039 × 981 =
5. 5.967 × 996 =
6. 6.11 × 13 =
7. 7.996 × 996 =
8. 8.6 × 7 =
9. 9.111 × 112 =
10. 10.103 × 107 =
11. 11.96 × 96 =
12. 12.96 × 88 =
13. 13.93 × 96 =
14. 14.1027 × 1007 =
15. 15.6 × 8 =
16. 16.87 × 99 =
17. 17.1011 × 977 =
18. 18.113 × 85 =
19. 19.1002 × 1029 =
20. 20.14 × 13 =
21. 21.1032 × 990 =
22. 22.114 × 112 =
23. 23.108 × 93 =
24. 24.91 × 99 =
25. 25.14 × 14 =
26. 26.987 × 971 =
27. 27.11 × 12 =
28. 28.12 × 12 =
29. 29.90 × 91 =
30. 30.11 × 6 =
31. 31.104 × 86 =
32. 32.13 × 13 =
33. 33.109 × 110 =
34. 34.97 × 89 =
35. 35.103 × 91 =
36. 36.85 × 86 =
37. 37.965 × 992 =
38. 38.11 × 11 =
39. 39.112 × 115 =
40. 40.99 × 91 =

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