Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 927 · 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 × 106 =
2. 2.1018 × 1008 =
3. 3.91 × 94 =
4. 4.96 × 88 =
5. 5.112 × 89 =
6. 6.1007 × 990 =
7. 7.1013 × 993 =
8. 8.87 × 92 =
9. 9.6 × 7 =
10. 10.107 × 105 =
11. 11.104 × 102 =
12. 12.87 × 92 =
13. 13.13 × 9 =
14. 14.88 × 89 =
15. 15.997 × 988 =
16. 16.109 × 108 =
17. 17.107 × 111 =
18. 18.93 × 90 =
19. 19.92 × 86 =
20. 20.87 × 99 =
21. 21.1034 × 968 =
22. 22.85 × 88 =
23. 23.106 × 110 =
24. 24.95 × 95 =
25. 25.112 × 98 =
26. 26.104 × 103 =
27. 27.92 × 96 =
28. 28.14 × 9 =
29. 29.1015 × 1018 =
30. 30.97 × 93 =
31. 31.107 × 114 =
32. 32.99 × 95 =
33. 33.107 × 98 =
34. 34.108 × 110 =
35. 35.110 × 113 =
36. 36.108 × 105 =
37. 37.13 × 6 =
38. 38.111 × 108 =
39. 39.96 × 87 =
40. 40.98 × 88 =

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