Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 344 · 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. 1.195 × 199 =
2. 2.31 × 34 =
3. 3.61 × 61 =
4. 4.291 × 299 =
5. 5.504 × 504 =
6. 6.48 × 46 =
7. 7.198 × 192 =
8. 8.205 × 209 =
9. 9.393 × 398 =
10. 10.92 × 93 =
11. 11.394 × 391 =
12. 12.498 × 491 =
13. 13.18 × 19 =
14. 14.68 × 66 =
15. 15.18 × 18 =
16. 16.44 × 43 =
17. 17.82 × 82 =
18. 18.509 × 508 =
19. 19.49 × 48 =
20. 20.299 × 295 =
21. 21.502 × 503 =
22. 22.33 × 33 =
23. 23.496 × 499 =
24. 24.509 × 502 =
25. 25.92 × 92 =
26. 26.495 × 499 =
27. 27.292 × 297 =
28. 28.88 × 86 =
29. 29.79 × 77 =
30. 30.37 × 36 =
31. 31.195 × 197 =
32. 32.405 × 408 =
33. 33.51 × 52 =
34. 34.494 × 495 =
35. 35.197 × 199 =
36. 36.66 × 69 =
37. 37.597 × 592 =
38. 38.32 × 32 =
39. 39.21 × 22 =
40. 40.201 × 203 =

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