Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 927 · 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. 1.498 × 494 =
2. 2.497 × 495 =
3. 3.81 × 84 =
4. 4.41 × 42 =
5. 5.493 × 494 =
6. 6.295 × 293 =
7. 7.496 × 498 =
8. 8.395 × 397 =
9. 9.42 × 43 =
10. 10.69 × 66 =
11. 11.17 × 17 =
12. 12.497 × 492 =
13. 13.201 × 201 =
14. 14.197 × 194 =
15. 15.401 × 405 =
16. 16.39 × 38 =
17. 17.52 × 54 =
18. 18.94 × 92 =
19. 19.299 × 291 =
20. 20.497 × 499 =
21. 21.89 × 86 =
22. 22.398 × 395 =
23. 23.393 × 396 =
24. 24.407 × 405 =
25. 25.406 × 407 =
26. 26.64 × 63 =
27. 27.84 × 82 =
28. 28.494 × 493 =
29. 29.491 × 491 =
30. 30.54 × 51 =
31. 31.88 × 88 =
32. 32.401 × 401 =
33. 33.393 × 391 =
34. 34.394 × 393 =
35. 35.32 × 32 =
36. 36.399 × 395 =
37. 37.303 × 303 =
38. 38.49 × 47 =
39. 39.498 × 493 =
40. 40.192 × 191 =

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