Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 485 · 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. 1.101 × 110 =
2. 2.978 × 985 =
3. 3.971 × 972 =
4. 4.94 × 95 =
5. 5.114 × 107 =
6. 6.6 × 6 =
7. 7.96 × 88 =
8. 8.98 × 95 =
9. 9.993 × 998 =
10. 10.111 × 97 =
11. 11.99 × 94 =
12. 12.105 × 104 =
13. 13.7 × 6 =
14. 14.101 × 85 =
15. 15.8 × 8 =
16. 16.1030 × 965 =
17. 17.1008 × 990 =
18. 18.95 × 99 =
19. 19.6 × 9 =
20. 20.86 × 88 =
21. 21.11 × 8 =
22. 22.114 × 114 =
23. 23.1033 × 969 =
24. 24.6 × 7 =
25. 25.14 × 11 =
26. 26.1034 × 1007 =
27. 27.969 × 974 =
28. 28.114 × 102 =
29. 29.91 × 94 =
30. 30.991 × 977 =
31. 31.91 × 91 =
32. 32.90 × 96 =
33. 33.107 × 107 =
34. 34.7 × 7 =
35. 35.1013 × 974 =
36. 36.1032 × 966 =
37. 37.984 × 976 =
38. 38.11 × 9 =
39. 39.12 × 9 =
40. 40.14 × 12 =

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