Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 507 · 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. 1.112 × 95 =
2. 2.980 × 977 =
3. 3.1009 × 1015 =
4. 4.111 × 104 =
5. 5.14 × 11 =
6. 6.102 × 99 =
7. 7.9 × 8 =
8. 8.1018 × 962 =
9. 9.11 × 12 =
10. 10.88 × 93 =
11. 11.101 × 90 =
12. 12.12 × 8 =
13. 13.11 × 14 =
14. 14.109 × 97 =
15. 15.12 × 12 =
16. 16.98 × 98 =
17. 17.995 × 973 =
18. 18.1006 × 1033 =
19. 19.1019 × 998 =
20. 20.98 × 89 =
21. 21.6 × 8 =
22. 22.97 × 94 =
23. 23.963 × 989 =
24. 24.11 × 7 =
25. 25.969 × 964 =
26. 26.987 × 971 =
27. 27.99 × 98 =
28. 28.9 × 8 =
29. 29.991 × 973 =
30. 30.86 × 88 =
31. 31.89 × 95 =
32. 32.1029 × 1038 =
33. 33.1007 × 1016 =
34. 34.13 × 13 =
35. 35.974 × 963 =
36. 36.1037 × 984 =
37. 37.6 × 8 =
38. 38.11 × 13 =
39. 39.99 × 98 =
40. 40.1026 × 1034 =

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