Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 381 · 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. 1.293 × 298 =
2. 2.76 × 79 =
3. 3.607 × 609 =
4. 4.498 × 493 =
5. 5.46 × 47 =
6. 6.52 × 51 =
7. 7.27 × 27 =
8. 8.409 × 405 =
9. 9.403 × 406 =
10. 10.193 × 195 =
11. 11.204 × 204 =
12. 12.197 × 197 =
13. 13.193 × 199 =
14. 14.606 × 607 =
15. 15.392 × 397 =
16. 16.508 × 509 =
17. 17.301 × 303 =
18. 18.36 × 36 =
19. 19.78 × 77 =
20. 20.194 × 198 =
21. 21.77 × 77 =
22. 22.42 × 44 =
23. 23.16 × 16 =
24. 24.206 × 203 =
25. 25.27 × 26 =
26. 26.66 × 68 =
27. 27.405 × 405 =
28. 28.73 × 71 =
29. 29.192 × 196 =
30. 30.29 × 27 =
31. 31.404 × 403 =
32. 32.198 × 191 =
33. 33.59 × 59 =
34. 34.44 × 41 =
35. 35.406 × 402 =
36. 36.82 × 82 =
37. 37.297 × 296 =
38. 38.302 × 302 =
39. 39.94 × 92 =
40. 40.397 × 393 =

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