Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 109 · 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. 1.107 × 90 =
2. 2.11 × 6 =
3. 3.9 × 6 =
4. 4.973 × 981 =
5. 5.1017 × 1038 =
6. 6.108 × 95 =
7. 7.9 × 9 =
8. 8.114 × 111 =
9. 9.85 × 95 =
10. 10.103 × 102 =
11. 11.98 × 86 =
12. 12.14 × 14 =
13. 13.111 × 92 =
14. 14.87 × 88 =
15. 15.113 × 110 =
16. 16.114 × 109 =
17. 17.104 × 115 =
18. 18.13 × 9 =
19. 19.110 × 114 =
20. 20.1004 × 971 =
21. 21.98 × 90 =
22. 22.960 × 998 =
23. 23.8 × 7 =
24. 24.11 × 7 =
25. 25.8 × 6 =
26. 26.111 × 106 =
27. 27.109 × 101 =
28. 28.9 × 9 =
29. 29.99 × 85 =
30. 30.104 × 85 =
31. 31.8 × 6 =
32. 32.968 × 970 =
33. 33.92 × 91 =
34. 34.1035 × 982 =
35. 35.104 × 91 =
36. 36.97 × 97 =
37. 37.85 × 99 =
38. 38.115 × 105 =
39. 39.86 × 96 =
40. 40.113 × 90 =

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