Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 340 · 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. 1.90 × 89 =
2. 2.968 × 992 =
3. 3.966 × 968 =
4. 4.7 × 7 =
5. 5.101 × 113 =
6. 6.89 × 93 =
7. 7.94 × 91 =
8. 8.88 × 93 =
9. 9.85 × 97 =
10. 10.102 × 103 =
11. 11.108 × 96 =
12. 12.977 × 974 =
13. 13.962 × 998 =
14. 14.88 × 96 =
15. 15.7 × 8 =
16. 16.106 × 113 =
17. 17.1006 × 986 =
18. 18.14 × 12 =
19. 19.1023 × 995 =
20. 20.977 × 993 =
21. 21.972 × 965 =
22. 22.113 × 95 =
23. 23.8 × 8 =
24. 24.7 × 9 =
25. 25.92 × 85 =
26. 26.989 × 974 =
27. 27.114 × 102 =
28. 28.113 × 110 =
29. 29.91 × 87 =
30. 30.110 × 114 =
31. 31.106 × 87 =
32. 32.1022 × 1034 =
33. 33.98 × 98 =
34. 34.89 × 86 =
35. 35.107 × 102 =
36. 36.7 × 8 =
37. 37.984 × 964 =
38. 38.89 × 95 =
39. 39.992 × 964 =
40. 40.9 × 6 =

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