Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 737 · 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. 1.14 × 8 =
2. 2.104 × 109 =
3. 3.94 × 90 =
4. 4.12 × 7 =
5. 5.102 × 107 =
6. 6.13 × 9 =
7. 7.88 × 92 =
8. 8.1029 × 972 =
9. 9.110 × 92 =
10. 10.97 × 97 =
11. 11.13 × 13 =
12. 12.7 × 8 =
13. 13.102 × 90 =
14. 14.1012 × 974 =
15. 15.111 × 101 =
16. 16.1011 × 973 =
17. 17.110 × 99 =
18. 18.107 × 108 =
19. 19.6 × 7 =
20. 20.110 × 97 =
21. 21.6 × 6 =
22. 22.106 × 92 =
23. 23.990 × 968 =
24. 24.112 × 96 =
25. 25.113 × 113 =
26. 26.90 × 89 =
27. 27.112 × 105 =
28. 28.112 × 96 =
29. 29.97 × 93 =
30. 30.12 × 11 =
31. 31.97 × 90 =
32. 32.108 × 111 =
33. 33.8 × 6 =
34. 34.996 × 994 =
35. 35.101 × 95 =
36. 36.6 × 8 =
37. 37.1022 × 998 =
38. 38.110 × 114 =
39. 39.13 × 11 =
40. 40.1007 × 995 =

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