Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 467 · 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. 1.202 × 207 =
2. 2.601 × 605 =
3. 3.67 × 69 =
4. 4.26 × 29 =
5. 5.503 × 502 =
6. 6.297 × 292 =
7. 7.31 × 33 =
8. 8.73 × 74 =
9. 9.83 × 82 =
10. 10.61 × 61 =
11. 11.292 × 298 =
12. 12.51 × 51 =
13. 13.297 × 296 =
14. 14.503 × 508 =
15. 15.38 × 37 =
16. 16.607 × 605 =
17. 17.32 × 32 =
18. 18.41 × 43 =
19. 19.502 × 508 =
20. 20.49 × 47 =
21. 21.16 × 19 =
22. 22.298 × 291 =
23. 23.396 × 395 =
24. 24.66 × 67 =
25. 25.299 × 291 =
26. 26.79 × 76 =
27. 27.89 × 86 =
28. 28.504 × 503 =
29. 29.16 × 16 =
30. 30.498 × 495 =
31. 31.16 × 17 =
32. 32.191 × 196 =
33. 33.608 × 605 =
34. 34.86 × 86 =
35. 35.306 × 307 =
36. 36.37 × 37 =
37. 37.302 × 309 =
38. 38.297 × 292 =
39. 39.394 × 394 =
40. 40.508 × 503 =

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