Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 48 · 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. 1.19 × 18 =
2. 2.406 × 405 =
3. 3.502 × 507 =
4. 4.93 × 91 =
5. 5.77 × 76 =
6. 6.298 × 296 =
7. 7.46 × 47 =
8. 8.207 × 201 =
9. 9.17 × 19 =
10. 10.16 × 19 =
11. 11.295 × 295 =
12. 12.49 × 49 =
13. 13.91 × 94 =
14. 14.596 × 596 =
15. 15.61 × 64 =
16. 16.501 × 506 =
17. 17.303 × 301 =
18. 18.47 × 49 =
19. 19.196 × 199 =
20. 20.397 × 393 =
21. 21.49 × 48 =
22. 22.503 × 506 =
23. 23.393 × 395 =
24. 24.497 × 498 =
25. 25.73 × 71 =
26. 26.22 × 24 =
27. 27.393 × 399 =
28. 28.301 × 304 =
29. 29.498 × 493 =
30. 30.499 × 497 =
31. 31.32 × 34 =
32. 32.22 × 23 =
33. 33.204 × 202 =
34. 34.17 × 16 =
35. 35.395 × 395 =
36. 36.599 × 591 =
37. 37.603 × 607 =
38. 38.79 × 78 =
39. 39.84 × 84 =
40. 40.49 × 47 =

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