Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 804 · 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. 1.94 × 92 =
2. 2.52 × 51 =
3. 3.68 × 66 =
4. 4.26 × 27 =
5. 5.194 × 195 =
6. 6.305 × 306 =
7. 7.88 × 88 =
8. 8.602 × 607 =
9. 9.398 × 394 =
10. 10.292 × 294 =
11. 11.57 × 58 =
12. 12.79 × 79 =
13. 13.88 × 86 =
14. 14.299 × 294 =
15. 15.191 × 197 =
16. 16.591 × 597 =
17. 17.86 × 87 =
18. 18.207 × 208 =
19. 19.44 × 43 =
20. 20.38 × 37 =
21. 21.23 × 24 =
22. 22.497 × 499 =
23. 23.81 × 83 =
24. 24.89 × 88 =
25. 25.77 × 76 =
26. 26.89 × 88 =
27. 27.198 × 191 =
28. 28.21 × 21 =
29. 29.302 × 304 =
30. 30.61 × 64 =
31. 31.593 × 597 =
32. 32.208 × 201 =
33. 33.59 × 56 =
34. 34.291 × 291 =
35. 35.309 × 302 =
36. 36.32 × 32 =
37. 37.39 × 38 =
38. 38.492 × 495 =
39. 39.409 × 409 =
40. 40.63 × 62 =

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