Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 877 · 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. 1.98 × 97 =
2. 2.9 × 9 =
3. 3.6 × 9 =
4. 4.85 × 95 =
5. 5.6 × 7 =
6. 6.106 × 95 =
7. 7.7 × 9 =
8. 8.13 × 8 =
9. 9.109 × 107 =
10. 10.8 × 8 =
11. 11.961 × 982 =
12. 12.89 × 94 =
13. 13.111 × 91 =
14. 14.101 × 101 =
15. 15.14 × 6 =
16. 16.1014 × 1016 =
17. 17.87 × 85 =
18. 18.110 × 85 =
19. 19.14 × 11 =
20. 20.102 × 115 =
21. 21.1032 × 1035 =
22. 22.108 × 104 =
23. 23.115 × 101 =
24. 24.13 × 13 =
25. 25.986 × 960 =
26. 26.93 × 98 =
27. 27.110 × 93 =
28. 28.98 × 97 =
29. 29.109 × 108 =
30. 30.12 × 8 =
31. 31.88 × 86 =
32. 32.112 × 104 =
33. 33.115 × 115 =
34. 34.6 × 8 =
35. 35.8 × 6 =
36. 36.96 × 97 =
37. 37.110 × 99 =
38. 38.11 × 12 =
39. 39.97 × 87 =
40. 40.8 × 8 =

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