Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 424 · 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. 1.86 × 97 =
2. 2.106 × 92 =
3. 3.95 × 90 =
4. 4.86 × 92 =
5. 5.970 × 979 =
6. 6.8 × 9 =
7. 7.11 × 13 =
8. 8.14 × 8 =
9. 9.11 × 8 =
10. 10.111 × 109 =
11. 11.101 × 101 =
12. 12.101 × 93 =
13. 13.93 × 87 =
14. 14.85 × 98 =
15. 15.115 × 93 =
16. 16.99 × 88 =
17. 17.990 × 967 =
18. 18.88 × 89 =
19. 19.115 × 103 =
20. 20.960 × 960 =
21. 21.6 × 7 =
22. 22.11 × 11 =
23. 23.974 × 998 =
24. 24.1025 × 977 =
25. 25.989 × 966 =
26. 26.108 × 102 =
27. 27.14 × 6 =
28. 28.106 × 102 =
29. 29.97 × 95 =
30. 30.987 × 978 =
31. 31.109 × 106 =
32. 32.90 × 96 =
33. 33.108 × 102 =
34. 34.997 × 969 =
35. 35.1019 × 990 =
36. 36.114 × 88 =
37. 37.1036 × 987 =
38. 38.111 × 109 =
39. 39.103 × 115 =
40. 40.94 × 93 =

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