Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 391 · 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. 2.24 × 21 =
3. 3.301 × 308 =
4. 4.36 × 36 =
5. 5.73 × 72 =
6. 6.198 × 195 =
7. 7.207 × 209 =
8. 8.16 × 18 =
9. 9.66 × 69 =
10. 10.93 × 93 =
11. 11.72 × 72 =
12. 12.17 × 17 =
13. 13.34 × 34 =
14. 14.73 × 73 =
15. 15.204 × 207 =
16. 16.201 × 201 =
17. 17.409 × 406 =
18. 18.94 × 92 =
19. 19.197 × 191 =
20. 20.18 × 19 =
21. 21.206 × 204 =
22. 22.407 × 403 =
23. 23.44 × 41 =
24. 24.501 × 504 =
25. 25.26 × 27 =
26. 26.77 × 76 =
27. 27.68 × 67 =
28. 28.22 × 21 =
29. 29.491 × 497 =
30. 30.606 × 609 =
31. 31.201 × 201 =
32. 32.393 × 399 =
33. 33.58 × 57 =
34. 34.27 × 29 =
35. 35.509 × 504 =
36. 36.199 × 193 =
37. 37.78 × 78 =
38. 38.598 × 595 =
39. 39.294 × 299 =
40. 40.199 × 199 =

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