Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 253 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.44 × 43 =
2. 2.57 × 56 =
3. 3.46 × 49 =
4. 4.86 × 87 =
5. 5.194 × 195 =
6. 6.79 × 78 =
7. 7.67 × 66 =
8. 8.395 × 395 =
9. 9.63 × 61 =
10. 10.16 × 19 =
11. 11.307 × 302 =
12. 12.77 × 77 =
13. 13.22 × 21 =
14. 14.77 × 77 =
15. 15.304 × 306 =
16. 16.73 × 72 =
17. 17.36 × 39 =
18. 18.492 × 499 =
19. 19.37 × 38 =
20. 20.21 × 24 =
21. 21.87 × 89 =
22. 22.194 × 197 =
23. 23.86 × 89 =
24. 24.29 × 27 =
25. 25.19 × 17 =
26. 26.33 × 34 =
27. 27.403 × 405 =
28. 28.92 × 92 =
29. 29.56 × 57 =
30. 30.494 × 497 =
31. 31.191 × 193 =
32. 32.52 × 53 =
33. 33.82 × 84 =
34. 34.592 × 597 =
35. 35.21 × 24 =
36. 36.42 × 41 =
37. 37.593 × 591 =
38. 38.609 × 608 =
39. 39.86 × 87 =
40. 40.598 × 599 =

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