Near-Base Multiplication Worksheet

Vedic maths trick 3: Multiplying numbers near 10, 100 and 1000 · Set 953 · 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 × 93 =
2. 2.13 × 8 =
3. 3.1020 × 1014 =
4. 4.14 × 9 =
5. 5.978 × 980 =
6. 6.6 × 6 =
7. 7.11 × 12 =
8. 8.6 × 7 =
9. 9.105 × 101 =
10. 10.13 × 14 =
11. 11.13 × 12 =
12. 12.13 × 14 =
13. 13.105 × 104 =
14. 14.1024 × 998 =
15. 15.88 × 96 =
16. 16.11 × 7 =
17. 17.107 × 85 =
18. 18.88 × 90 =
19. 19.105 × 92 =
20. 20.102 × 88 =
21. 21.987 × 979 =
22. 22.990 × 965 =
23. 23.107 × 107 =
24. 24.85 × 99 =
25. 25.13 × 14 =
26. 26.965 × 991 =
27. 27.13 × 12 =
28. 28.89 × 87 =
29. 29.115 × 114 =
30. 30.102 × 87 =
31. 31.1036 × 1025 =
32. 32.1023 × 1017 =
33. 33.105 × 87 =
34. 34.98 × 90 =
35. 35.1002 × 995 =
36. 36.13 × 7 =
37. 37.88 × 92 =
38. 38.92 × 86 =
39. 39.8 × 8 =
40. 40.6 × 9 =

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