Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 614 · 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. 1.109 × 110 =
2. 2.102 × 98 =
3. 3.88 × 98 =
4. 4.111 × 112 =
5. 5.12 × 12 =
6. 6.107 × 109 =
7. 7.98 × 98 =
8. 8.9 × 8 =
9. 9.110 × 99 =
10. 10.98 × 92 =
11. 11.94 × 94 =
12. 12.1006 × 1004 =
13. 13.91 × 98 =
14. 14.14 × 13 =
15. 15.14 × 6 =
16. 16.115 × 97 =
17. 17.97 × 91 =
18. 18.12 × 12 =
19. 19.984 × 980 =
20. 20.88 × 94 =
21. 21.102 × 98 =
22. 22.14 × 6 =
23. 23.980 × 982 =
24. 24.6 × 9 =
25. 25.12 × 12 =
26. 26.110 × 104 =
27. 27.11 × 12 =
28. 28.9 × 6 =
29. 29.1036 × 1019 =
30. 30.90 × 88 =
31. 31.114 × 103 =
32. 32.982 × 982 =
33. 33.999 × 979 =
34. 34.104 × 98 =
35. 35.106 × 96 =
36. 36.112 × 102 =
37. 37.87 × 85 =
38. 38.104 × 101 =
39. 39.104 × 112 =
40. 40.14 × 11 =

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