Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 369 · 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. 1.54 × 53 =
2. 2.298 × 296 =
3. 3.43 × 41 =
4. 4.497 × 497 =
5. 5.504 × 505 =
6. 6.17 × 16 =
7. 7.196 × 197 =
8. 8.78 × 76 =
9. 9.69 × 66 =
10. 10.295 × 294 =
11. 11.62 × 61 =
12. 12.69 × 68 =
13. 13.36 × 36 =
14. 14.59 × 57 =
15. 15.398 × 398 =
16. 16.192 × 199 =
17. 17.31 × 31 =
18. 18.407 × 401 =
19. 19.18 × 19 =
20. 20.48 × 47 =
21. 21.404 × 401 =
22. 22.597 × 595 =
23. 23.397 × 398 =
24. 24.51 × 51 =
25. 25.196 × 198 =
26. 26.51 × 53 =
27. 27.593 × 595 =
28. 28.88 × 89 =
29. 29.497 × 492 =
30. 30.93 × 94 =
31. 31.291 × 297 =
32. 32.83 × 84 =
33. 33.56 × 57 =
34. 34.19 × 19 =
35. 35.48 × 49 =
36. 36.398 × 393 =
37. 37.309 × 304 =
38. 38.79 × 76 =
39. 39.31 × 34 =
40. 40.71 × 72 =

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