Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 748 · 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. 1.106 × 94 =
2. 2.86 × 97 =
3. 3.1006 × 1029 =
4. 4.8 × 8 =
5. 5.90 × 97 =
6. 6.114 × 106 =
7. 7.106 × 85 =
8. 8.102 × 99 =
9. 9.105 × 88 =
10. 10.970 × 972 =
11. 11.105 × 86 =
12. 12.113 × 85 =
13. 13.97 × 98 =
14. 14.92 × 94 =
15. 15.11 × 13 =
16. 16.104 × 101 =
17. 17.86 × 98 =
18. 18.98 × 97 =
19. 19.95 × 88 =
20. 20.1036 × 1020 =
21. 21.98 × 97 =
22. 22.994 × 998 =
23. 23.102 × 91 =
24. 24.86 × 96 =
25. 25.113 × 107 =
26. 26.106 × 102 =
27. 27.13 × 11 =
28. 28.14 × 12 =
29. 29.12 × 14 =
30. 30.101 × 111 =
31. 31.1011 × 1023 =
32. 32.1034 × 992 =
33. 33.1012 × 986 =
34. 34.85 × 91 =
35. 35.9 × 9 =
36. 36.8 × 7 =
37. 37.11 × 9 =
38. 38.113 × 101 =
39. 39.111 × 96 =
40. 40.7 × 7 =

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