Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 905 · 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. 1.110 × 90 =
2. 2.112 × 90 =
3. 3.111 × 87 =
4. 4.111 × 115 =
5. 5.101 × 109 =
6. 6.7 × 6 =
7. 7.105 × 107 =
8. 8.965 × 968 =
9. 9.102 × 108 =
10. 10.95 × 90 =
11. 11.89 × 87 =
12. 12.970 × 999 =
13. 13.6 × 8 =
14. 14.98 × 91 =
15. 15.88 × 94 =
16. 16.14 × 11 =
17. 17.112 × 104 =
18. 18.86 × 89 =
19. 19.11 × 6 =
20. 20.969 × 964 =
21. 21.103 × 98 =
22. 22.103 × 103 =
23. 23.13 × 11 =
24. 24.1010 × 1015 =
25. 25.14 × 11 =
26. 26.970 × 977 =
27. 27.961 × 998 =
28. 28.1035 × 1036 =
29. 29.9 × 6 =
30. 30.1002 × 1038 =
31. 31.12 × 12 =
32. 32.104 × 107 =
33. 33.90 × 98 =
34. 34.9 × 7 =
35. 35.13 × 6 =
36. 36.14 × 14 =
37. 37.112 × 110 =
38. 38.7 × 7 =
39. 39.12 × 9 =
40. 40.995 × 996 =

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