Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 999 · 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 × 90 =
2. 2.9 × 8 =
3. 3.11 × 14 =
4. 4.104 × 103 =
5. 5.110 × 109 =
6. 6.976 × 989 =
7. 7.109 × 108 =
8. 8.113 × 90 =
9. 9.114 × 103 =
10. 10.109 × 109 =
11. 11.9 × 8 =
12. 12.98 × 92 =
13. 13.7 × 9 =
14. 14.1009 × 1011 =
15. 15.1029 × 983 =
16. 16.6 × 7 =
17. 17.103 × 112 =
18. 18.94 × 87 =
19. 19.11 × 13 =
20. 20.93 × 95 =
21. 21.12 × 11 =
22. 22.979 × 960 =
23. 23.101 × 113 =
24. 24.1006 × 1034 =
25. 25.969 × 988 =
26. 26.91 × 96 =
27. 27.9 × 7 =
28. 28.11 × 13 =
29. 29.972 × 990 =
30. 30.102 × 110 =
31. 31.101 × 111 =
32. 32.12 × 6 =
33. 33.11 × 14 =
34. 34.102 × 98 =
35. 35.93 × 87 =
36. 36.95 × 88 =
37. 37.1004 × 1037 =
38. 38.86 × 86 =
39. 39.109 × 115 =
40. 40.14 × 13 =

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