Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 591 · 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. 1.12 × 11 =
2. 2.115 × 104 =
3. 3.85 × 98 =
4. 4.89 × 93 =
5. 5.113 × 101 =
6. 6.104 × 87 =
7. 7.114 × 111 =
8. 8.12 × 13 =
9. 9.98 × 90 =
10. 10.11 × 8 =
11. 11.98 × 92 =
12. 12.102 × 85 =
13. 13.9 × 6 =
14. 14.11 × 11 =
15. 15.1024 × 979 =
16. 16.101 × 88 =
17. 17.89 × 96 =
18. 18.109 × 97 =
19. 19.9 × 7 =
20. 20.109 × 107 =
21. 21.103 × 105 =
22. 22.107 × 85 =
23. 23.90 × 89 =
24. 24.101 × 90 =
25. 25.95 × 85 =
26. 26.93 × 97 =
27. 27.113 × 115 =
28. 28.12 × 11 =
29. 29.102 × 102 =
30. 30.1031 × 1028 =
31. 31.7 × 7 =
32. 32.87 × 98 =
33. 33.91 × 89 =
34. 34.88 × 99 =
35. 35.965 × 974 =
36. 36.1005 × 1024 =
37. 37.6 × 6 =
38. 38.1035 × 965 =
39. 39.110 × 112 =
40. 40.99 × 93 =

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