Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 39 · 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. 1.994 × 996 =
2. 2.98 × 87 =
3. 3.973 × 981 =
4. 4.105 × 87 =
5. 5.14 × 11 =
6. 6.12 × 11 =
7. 7.11 × 7 =
8. 8.998 × 987 =
9. 9.990 × 996 =
10. 10.99 × 89 =
11. 11.96 × 97 =
12. 12.107 × 110 =
13. 13.1033 × 964 =
14. 14.105 × 98 =
15. 15.96 × 90 =
16. 16.13 × 9 =
17. 17.106 × 115 =
18. 18.13 × 8 =
19. 19.87 × 99 =
20. 20.964 × 965 =
21. 21.95 × 87 =
22. 22.1026 × 1021 =
23. 23.95 × 91 =
24. 24.982 × 999 =
25. 25.968 × 991 =
26. 26.1034 × 1030 =
27. 27.965 × 994 =
28. 28.96 × 92 =
29. 29.11 × 13 =
30. 30.1033 × 1001 =
31. 31.14 × 11 =
32. 32.86 × 90 =
33. 33.112 × 101 =
34. 34.111 × 105 =
35. 35.1035 × 1013 =
36. 36.93 × 98 =
37. 37.93 × 98 =
38. 38.11 × 13 =
39. 39.14 × 13 =
40. 40.1018 × 1001 =

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