Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 137 · 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. 1.207 × 201 =
2. 2.21 × 24 =
3. 3.304 × 306 =
4. 4.301 × 305 =
5. 5.506 × 501 =
6. 6.31 × 33 =
7. 7.92 × 92 =
8. 8.83 × 81 =
9. 9.397 × 393 =
10. 10.42 × 41 =
11. 11.94 × 91 =
12. 12.203 × 201 =
13. 13.306 × 304 =
14. 14.78 × 76 =
15. 15.21 × 21 =
16. 16.293 × 298 =
17. 17.592 × 596 =
18. 18.292 × 293 =
19. 19.196 × 193 =
20. 20.593 × 596 =
21. 21.609 × 604 =
22. 22.303 × 305 =
23. 23.297 × 297 =
24. 24.39 × 38 =
25. 25.56 × 59 =
26. 26.491 × 499 =
27. 27.52 × 53 =
28. 28.93 × 93 =
29. 29.38 × 36 =
30. 30.502 × 506 =
31. 31.21 × 21 =
32. 32.607 × 609 =
33. 33.502 × 502 =
34. 34.496 × 498 =
35. 35.207 × 204 =
36. 36.81 × 84 =
37. 37.209 × 207 =
38. 38.21 × 22 =
39. 39.294 × 294 =
40. 40.209 × 209 =

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