Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 990 · 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. 1.94 × 95 =
2. 2.962 × 983 =
3. 3.989 × 997 =
4. 4.103 × 93 =
5. 5.105 × 112 =
6. 6.14 × 12 =
7. 7.1005 × 1033 =
8. 8.981 × 997 =
9. 9.107 × 109 =
10. 10.92 × 96 =
11. 11.996 × 995 =
12. 12.7 × 6 =
13. 13.110 × 101 =
14. 14.12 × 13 =
15. 15.963 × 973 =
16. 16.107 × 85 =
17. 17.14 × 7 =
18. 18.104 × 113 =
19. 19.992 × 990 =
20. 20.12 × 14 =
21. 21.1036 × 1026 =
22. 22.980 × 996 =
23. 23.12 × 11 =
24. 24.89 × 95 =
25. 25.101 × 85 =
26. 26.992 × 961 =
27. 27.976 × 983 =
28. 28.99 × 99 =
29. 29.11 × 7 =
30. 30.104 × 103 =
31. 31.114 × 112 =
32. 32.1001 × 1031 =
33. 33.105 × 109 =
34. 34.85 × 86 =
35. 35.12 × 9 =
36. 36.7 × 6 =
37. 37.11 × 9 =
38. 38.95 × 86 =
39. 39.11 × 14 =
40. 40.105 × 91 =

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