Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 504 · 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. 1.48 × 49 =
2. 2.591 × 592 =
3. 3.38 × 36 =
4. 4.195 × 197 =
5. 5.41 × 41 =
6. 6.67 × 68 =
7. 7.89 × 86 =
8. 8.72 × 72 =
9. 9.609 × 606 =
10. 10.193 × 191 =
11. 11.24 × 22 =
12. 12.94 × 94 =
13. 13.192 × 199 =
14. 14.54 × 51 =
15. 15.91 × 92 =
16. 16.27 × 28 =
17. 17.507 × 505 =
18. 18.94 × 91 =
19. 19.56 × 59 =
20. 20.51 × 53 =
21. 21.32 × 33 =
22. 22.391 × 397 =
23. 23.204 × 204 =
24. 24.607 × 605 =
25. 25.51 × 53 =
26. 26.298 × 298 =
27. 27.302 × 308 =
28. 28.205 × 205 =
29. 29.407 × 409 =
30. 30.301 × 302 =
31. 31.81 × 82 =
32. 32.77 × 76 =
33. 33.399 × 393 =
34. 34.594 × 598 =
35. 35.82 × 82 =
36. 36.305 × 306 =
37. 37.207 × 205 =
38. 38.602 × 602 =
39. 39.16 × 19 =
40. 40.403 × 408 =

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