Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 666 · 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. 1.204 × 201 =
2. 2.297 × 291 =
3. 3.94 × 91 =
4. 4.86 × 89 =
5. 5.59 × 57 =
6. 6.22 × 24 =
7. 7.24 × 22 =
8. 8.197 × 196 =
9. 9.404 × 407 =
10. 10.398 × 399 =
11. 11.605 × 604 =
12. 12.82 × 82 =
13. 13.29 × 26 =
14. 14.93 × 93 =
15. 15.503 × 503 =
16. 16.606 × 602 =
17. 17.86 × 89 =
18. 18.76 × 78 =
19. 19.403 × 406 =
20. 20.409 × 405 =
21. 21.61 × 63 =
22. 22.406 × 401 =
23. 23.76 × 78 =
24. 24.592 × 596 =
25. 25.38 × 36 =
26. 26.503 × 502 =
27. 27.293 × 299 =
28. 28.21 × 21 =
29. 29.16 × 18 =
30. 30.37 × 39 =
31. 31.81 × 81 =
32. 32.501 × 505 =
33. 33.592 × 598 =
34. 34.395 × 395 =
35. 35.86 × 87 =
36. 36.406 × 405 =
37. 37.78 × 79 =
38. 38.62 × 61 =
39. 39.28 × 28 =
40. 40.32 × 33 =

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