Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 617 · 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. 1.303 × 301 =
2. 2.496 × 497 =
3. 3.82 × 82 =
4. 4.395 × 392 =
5. 5.205 × 207 =
6. 6.51 × 53 =
7. 7.602 × 601 =
8. 8.407 × 401 =
9. 9.502 × 501 =
10. 10.54 × 51 =
11. 11.33 × 32 =
12. 12.602 × 606 =
13. 13.89 × 87 =
14. 14.294 × 297 =
15. 15.396 × 398 =
16. 16.62 × 63 =
17. 17.299 × 298 =
18. 18.404 × 406 =
19. 19.81 × 81 =
20. 20.84 × 81 =
21. 21.24 × 23 =
22. 22.37 × 38 =
23. 23.57 × 57 =
24. 24.23 × 21 =
25. 25.28 × 26 =
26. 26.501 × 509 =
27. 27.202 × 203 =
28. 28.501 × 509 =
29. 29.396 × 399 =
30. 30.191 × 192 =
31. 31.497 × 496 =
32. 32.84 × 81 =
33. 33.93 × 91 =
34. 34.197 × 199 =
35. 35.44 × 44 =
36. 36.29 × 29 =
37. 37.56 × 59 =
38. 38.305 × 308 =
39. 39.493 × 498 =
40. 40.398 × 392 =

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