Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 144 · 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. 1.52 × 51 =
2. 2.43 × 43 =
3. 3.71 × 72 =
4. 4.393 × 396 =
5. 5.22 × 23 =
6. 6.599 × 591 =
7. 7.202 × 201 =
8. 8.29 × 26 =
9. 9.53 × 52 =
10. 10.48 × 48 =
11. 11.196 × 193 =
12. 12.39 × 38 =
13. 13.41 × 44 =
14. 14.29 × 27 =
15. 15.203 × 205 =
16. 16.76 × 79 =
17. 17.79 × 79 =
18. 18.92 × 92 =
19. 19.89 × 88 =
20. 20.602 × 603 =
21. 21.67 × 67 =
22. 22.41 × 44 =
23. 23.63 × 63 =
24. 24.406 × 404 =
25. 25.32 × 31 =
26. 26.46 × 47 =
27. 27.61 × 61 =
28. 28.47 × 46 =
29. 29.41 × 44 =
30. 30.41 × 41 =
31. 31.392 × 395 =
32. 32.405 × 401 =
33. 33.194 × 196 =
34. 34.305 × 302 =
35. 35.391 × 399 =
36. 36.603 × 602 =
37. 37.498 × 499 =
38. 38.509 × 508 =
39. 39.398 × 394 =
40. 40.46 × 47 =

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