Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 37 · 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. 1.495 × 493 =
2. 2.21 × 21 =
3. 3.36 × 38 =
4. 4.78 × 78 =
5. 5.494 × 498 =
6. 6.392 × 392 =
7. 7.405 × 408 =
8. 8.491 × 492 =
9. 9.28 × 28 =
10. 10.297 × 291 =
11. 11.591 × 594 =
12. 12.29 × 27 =
13. 13.294 × 292 =
14. 14.48 × 47 =
15. 15.64 × 62 =
16. 16.191 × 193 =
17. 17.17 × 19 =
18. 18.78 × 77 =
19. 19.22 × 22 =
20. 20.591 × 596 =
21. 21.43 × 42 =
22. 22.16 × 19 =
23. 23.29 × 29 =
24. 24.77 × 77 =
25. 25.78 × 79 =
26. 26.295 × 299 =
27. 27.22 × 21 =
28. 28.605 × 601 =
29. 29.204 × 204 =
30. 30.31 × 33 =
31. 31.399 × 399 =
32. 32.42 × 41 =
33. 33.83 × 81 =
34. 34.192 × 196 =
35. 35.599 × 597 =
36. 36.192 × 194 =
37. 37.392 × 391 =
38. 38.608 × 602 =
39. 39.82 × 84 =
40. 40.52 × 51 =

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