Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 646 · 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. 1.103 × 98 =
2. 2.96 × 96 =
3. 3.98 × 87 =
4. 4.7 × 6 =
5. 5.7 × 9 =
6. 6.13 × 9 =
7. 7.960 × 969 =
8. 8.115 × 111 =
9. 9.9 × 6 =
10. 10.99 × 98 =
11. 11.1031 × 1001 =
12. 12.992 × 998 =
13. 13.101 × 108 =
14. 14.1021 × 1028 =
15. 15.7 × 9 =
16. 16.107 × 96 =
17. 17.14 × 14 =
18. 18.109 × 96 =
19. 19.112 × 98 =
20. 20.101 × 97 =
21. 21.8 × 6 =
22. 22.111 × 92 =
23. 23.13 × 14 =
24. 24.96 × 95 =
25. 25.96 × 87 =
26. 26.12 × 13 =
27. 27.110 × 97 =
28. 28.106 × 106 =
29. 29.8 × 8 =
30. 30.90 × 86 =
31. 31.12 × 11 =
32. 32.104 × 113 =
33. 33.8 × 8 =
34. 34.93 × 88 =
35. 35.974 × 972 =
36. 36.1023 × 1005 =
37. 37.114 × 109 =
38. 38.12 × 11 =
39. 39.12 × 9 =
40. 40.92 × 91 =

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