Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 507 · 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. 1.61 × 61 =
2. 2.64 × 62 =
3. 3.206 × 204 =
4. 4.34 × 31 =
5. 5.71 × 71 =
6. 6.26 × 28 =
7. 7.503 × 502 =
8. 8.37 × 36 =
9. 9.33 × 34 =
10. 10.194 × 196 =
11. 11.301 × 302 =
12. 12.64 × 61 =
13. 13.392 × 396 =
14. 14.54 × 54 =
15. 15.52 × 51 =
16. 16.497 × 497 =
17. 17.51 × 54 =
18. 18.58 × 59 =
19. 19.86 × 87 =
20. 20.56 × 57 =
21. 21.54 × 51 =
22. 22.398 × 391 =
23. 23.79 × 78 =
24. 24.42 × 44 =
25. 25.46 × 48 =
26. 26.49 × 46 =
27. 27.92 × 92 =
28. 28.52 × 51 =
29. 29.204 × 201 =
30. 30.404 × 402 =
31. 31.68 × 67 =
32. 32.59 × 59 =
33. 33.22 × 24 =
34. 34.505 × 506 =
35. 35.599 × 596 =
36. 36.498 × 495 =
37. 37.31 × 34 =
38. 38.402 × 407 =
39. 39.395 × 397 =
40. 40.32 × 32 =

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