Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 592 · 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. 1.76 × 79 =
2. 2.23 × 22 =
3. 3.63 × 61 =
4. 4.394 × 392 =
5. 5.83 × 83 =
6. 6.503 × 506 =
7. 7.79 × 79 =
8. 8.76 × 79 =
9. 9.605 × 608 =
10. 10.56 × 56 =
11. 11.299 × 294 =
12. 12.194 × 199 =
13. 13.81 × 83 =
14. 14.295 × 294 =
15. 15.37 × 39 =
16. 16.33 × 31 =
17. 17.26 × 28 =
18. 18.599 × 593 =
19. 19.59 × 59 =
20. 20.393 × 395 =
21. 21.28 × 26 =
22. 22.39 × 38 =
23. 23.502 × 502 =
24. 24.193 × 197 =
25. 25.398 × 393 =
26. 26.297 × 299 =
27. 27.408 × 401 =
28. 28.26 × 28 =
29. 29.605 × 603 =
30. 30.92 × 91 =
31. 31.395 × 398 =
32. 32.502 × 502 =
33. 33.509 × 505 =
34. 34.22 × 21 =
35. 35.19 × 16 =
36. 36.603 × 605 =
37. 37.16 × 17 =
38. 38.31 × 31 =
39. 39.32 × 32 =
40. 40.82 × 81 =

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