Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 229 · 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. 1.12 × 11 =
2. 2.11 × 6 =
3. 3.7 × 8 =
4. 4.6 × 8 =
5. 5.969 × 972 =
6. 6.110 × 115 =
7. 7.1006 × 986 =
8. 8.1032 × 993 =
9. 9.105 × 98 =
10. 10.95 × 92 =
11. 11.14 × 8 =
12. 12.91 × 88 =
13. 13.92 × 88 =
14. 14.14 × 6 =
15. 15.1004 × 979 =
16. 16.112 × 95 =
17. 17.999 × 965 =
18. 18.98 × 96 =
19. 19.11 × 12 =
20. 20.1017 × 960 =
21. 21.14 × 12 =
22. 22.13 × 14 =
23. 23.7 × 6 =
24. 24.93 × 94 =
25. 25.7 × 9 =
26. 26.1029 × 1028 =
27. 27.1021 × 991 =
28. 28.14 × 12 =
29. 29.970 × 998 =
30. 30.12 × 12 =
31. 31.107 × 102 =
32. 32.103 × 115 =
33. 33.88 × 93 =
34. 34.13 × 12 =
35. 35.1037 × 1021 =
36. 36.975 × 986 =
37. 37.114 × 102 =
38. 38.98 × 98 =
39. 39.961 × 965 =
40. 40.112 × 86 =

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