Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 686 · 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. 1.51 × 51 =
2. 2.594 × 591 =
3. 3.16 × 18 =
4. 4.39 × 38 =
5. 5.91 × 91 =
6. 6.492 × 499 =
7. 7.33 × 32 =
8. 8.43 × 42 =
9. 9.195 × 191 =
10. 10.492 × 497 =
11. 11.27 × 26 =
12. 12.407 × 401 =
13. 13.401 × 402 =
14. 14.24 × 23 =
15. 15.594 × 598 =
16. 16.502 × 504 =
17. 17.493 × 499 =
18. 18.494 × 499 =
19. 19.19 × 18 =
20. 20.194 × 196 =
21. 21.79 × 76 =
22. 22.297 × 291 =
23. 23.36 × 38 =
24. 24.199 × 196 =
25. 25.69 × 68 =
26. 26.199 × 197 =
27. 27.51 × 51 =
28. 28.81 × 83 =
29. 29.291 × 291 =
30. 30.74 × 74 =
31. 31.499 × 496 =
32. 32.74 × 74 =
33. 33.66 × 69 =
34. 34.607 × 609 =
35. 35.32 × 32 =
36. 36.597 × 591 =
37. 37.404 × 403 =
38. 38.62 × 61 =
39. 39.396 × 397 =
40. 40.295 × 297 =

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