Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 732 · 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. 1.62 × 62 =
2. 2.72 × 74 =
3. 3.506 × 501 =
4. 4.73 × 71 =
5. 5.84 × 84 =
6. 6.18 × 17 =
7. 7.494 × 493 =
8. 8.34 × 32 =
9. 9.66 × 67 =
10. 10.306 × 307 =
11. 11.37 × 39 =
12. 12.591 × 597 =
13. 13.37 × 37 =
14. 14.197 × 198 =
15. 15.198 × 198 =
16. 16.84 × 83 =
17. 17.295 × 292 =
18. 18.78 × 77 =
19. 19.22 × 21 =
20. 20.28 × 27 =
21. 21.398 × 394 =
22. 22.398 × 395 =
23. 23.502 × 503 =
24. 24.493 × 493 =
25. 25.21 × 21 =
26. 26.78 × 77 =
27. 27.93 × 93 =
28. 28.48 × 49 =
29. 29.87 × 89 =
30. 30.23 × 24 =
31. 31.408 × 408 =
32. 32.607 × 604 =
33. 33.81 × 82 =
34. 34.296 × 295 =
35. 35.197 × 198 =
36. 36.309 × 305 =
37. 37.608 × 603 =
38. 38.191 × 197 =
39. 39.27 × 26 =
40. 40.38 × 38 =

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