Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 997 · 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. 1.113 × 101 =
2. 2.11 × 7 =
3. 3.94 × 96 =
4. 4.103 × 98 =
5. 5.1001 × 965 =
6. 6.991 × 987 =
7. 7.9 × 8 =
8. 8.109 × 90 =
9. 9.12 × 14 =
10. 10.102 × 98 =
11. 11.14 × 8 =
12. 12.1006 × 1015 =
13. 13.88 × 97 =
14. 14.13 × 14 =
15. 15.14 × 11 =
16. 16.105 × 115 =
17. 17.86 × 99 =
18. 18.111 × 93 =
19. 19.14 × 8 =
20. 20.108 × 99 =
21. 21.105 × 107 =
22. 22.85 × 97 =
23. 23.112 × 90 =
24. 24.1004 × 980 =
25. 25.11 × 9 =
26. 26.9 × 9 =
27. 27.103 × 104 =
28. 28.103 × 112 =
29. 29.1028 × 1036 =
30. 30.96 × 87 =
31. 31.89 × 87 =
32. 32.13 × 11 =
33. 33.11 × 14 =
34. 34.14 × 14 =
35. 35.7 × 8 =
36. 36.12 × 7 =
37. 37.101 × 98 =
38. 38.94 × 87 =
39. 39.98 × 87 =
40. 40.990 × 994 =

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