Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 461 · 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. 1.606 × 609 =
2. 2.81 × 84 =
3. 3.42 × 42 =
4. 4.304 × 309 =
5. 5.27 × 28 =
6. 6.22 × 24 =
7. 7.192 × 191 =
8. 8.78 × 79 =
9. 9.81 × 83 =
10. 10.495 × 495 =
11. 11.31 × 33 =
12. 12.406 × 407 =
13. 13.28 × 29 =
14. 14.491 × 491 =
15. 15.44 × 44 =
16. 16.69 × 66 =
17. 17.291 × 296 =
18. 18.598 × 599 =
19. 19.499 × 498 =
20. 20.398 × 397 =
21. 21.54 × 53 =
22. 22.293 × 298 =
23. 23.205 × 203 =
24. 24.305 × 302 =
25. 25.19 × 17 =
26. 26.56 × 59 =
27. 27.406 × 403 =
28. 28.28 × 26 =
29. 29.76 × 76 =
30. 30.292 × 299 =
31. 31.26 × 29 =
32. 32.504 × 501 =
33. 33.32 × 33 =
34. 34.83 × 81 =
35. 35.392 × 395 =
36. 36.62 × 61 =
37. 37.26 × 27 =
38. 38.597 × 596 =
39. 39.205 × 204 =
40. 40.39 × 39 =

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