Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 154 · 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. 1.308 × 304 =
2. 2.506 × 503 =
3. 3.604 × 609 =
4. 4.81 × 84 =
5. 5.44 × 43 =
6. 6.301 × 303 =
7. 7.23 × 22 =
8. 8.24 × 21 =
9. 9.509 × 507 =
10. 10.48 × 48 =
11. 11.592 × 597 =
12. 12.17 × 17 =
13. 13.595 × 593 =
14. 14.195 × 194 =
15. 15.62 × 64 =
16. 16.203 × 206 =
17. 17.77 × 78 =
18. 18.38 × 39 =
19. 19.79 × 79 =
20. 20.206 × 201 =
21. 21.49 × 47 =
22. 22.59 × 56 =
23. 23.19 × 16 =
24. 24.392 × 397 =
25. 25.392 × 392 =
26. 26.19 × 16 =
27. 27.73 × 71 =
28. 28.94 × 92 =
29. 29.299 × 299 =
30. 30.209 × 201 =
31. 31.392 × 396 =
32. 32.64 × 64 =
33. 33.66 × 67 =
34. 34.59 × 56 =
35. 35.292 × 299 =
36. 36.73 × 72 =
37. 37.83 × 83 =
38. 38.293 × 295 =
39. 39.598 × 595 =
40. 40.191 × 195 =

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