Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 12 · 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. 1.503 × 504 =
2. 2.64 × 62 =
3. 3.408 × 404 =
4. 4.91 × 91 =
5. 5.81 × 84 =
6. 6.504 × 503 =
7. 7.54 × 51 =
8. 8.206 × 208 =
9. 9.291 × 298 =
10. 10.28 × 28 =
11. 11.191 × 196 =
12. 12.72 × 71 =
13. 13.79 × 76 =
14. 14.71 × 72 =
15. 15.296 × 296 =
16. 16.78 × 79 =
17. 17.27 × 27 =
18. 18.91 × 92 =
19. 19.592 × 592 =
20. 20.294 × 293 =
21. 21.192 × 197 =
22. 22.209 × 203 =
23. 23.87 × 89 =
24. 24.294 × 296 =
25. 25.21 × 23 =
26. 26.593 × 595 =
27. 27.301 × 308 =
28. 28.84 × 83 =
29. 29.42 × 43 =
30. 30.78 × 78 =
31. 31.297 × 293 =
32. 32.66 × 68 =
33. 33.38 × 38 =
34. 34.494 × 495 =
35. 35.594 × 599 =
36. 36.601 × 606 =
37. 37.62 × 61 =
38. 38.52 × 54 =
39. 39.191 × 195 =
40. 40.26 × 26 =

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