Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 968 · 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. 1.106 × 105 =
2. 2.89 × 99 =
3. 3.103 × 105 =
4. 4.109 × 105 =
5. 5.14 × 13 =
6. 6.11 × 11 =
7. 7.103 × 96 =
8. 8.110 × 107 =
9. 9.963 × 984 =
10. 10.976 × 968 =
11. 11.12 × 11 =
12. 12.109 × 112 =
13. 13.13 × 12 =
14. 14.1005 × 1001 =
15. 15.6 × 8 =
16. 16.1029 × 1024 =
17. 17.1035 × 1040 =
18. 18.8 × 7 =
19. 19.114 × 109 =
20. 20.6 × 7 =
21. 21.12 × 12 =
22. 22.89 × 90 =
23. 23.91 × 87 =
24. 24.962 × 984 =
25. 25.12 × 9 =
26. 26.14 × 14 =
27. 27.102 × 111 =
28. 28.105 × 101 =
29. 29.9 × 9 =
30. 30.1019 × 1035 =
31. 31.86 × 99 =
32. 32.101 × 111 =
33. 33.13 × 13 =
34. 34.113 × 108 =
35. 35.91 × 98 =
36. 36.103 × 92 =
37. 37.8 × 9 =
38. 38.1004 × 1008 =
39. 39.1029 × 993 =
40. 40.97 × 98 =

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