Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 795 · 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. 1.61 × 62 =
2. 2.47 × 48 =
3. 3.18 × 19 =
4. 4.77 × 76 =
5. 5.392 × 393 =
6. 6.18 × 19 =
7. 7.191 × 192 =
8. 8.609 × 604 =
9. 9.43 × 41 =
10. 10.67 × 69 =
11. 11.22 × 22 =
12. 12.24 × 24 =
13. 13.391 × 399 =
14. 14.19 × 18 =
15. 15.193 × 198 =
16. 16.81 × 84 =
17. 17.391 × 395 =
18. 18.298 × 299 =
19. 19.406 × 405 =
20. 20.296 × 292 =
21. 21.302 × 301 =
22. 22.504 × 504 =
23. 23.393 × 394 =
24. 24.595 × 599 =
25. 25.67 × 67 =
26. 26.293 × 298 =
27. 27.494 × 497 =
28. 28.505 × 504 =
29. 29.17 × 18 =
30. 30.93 × 91 =
31. 31.596 × 598 =
32. 32.304 × 306 =
33. 33.54 × 54 =
34. 34.81 × 81 =
35. 35.79 × 79 =
36. 36.308 × 308 =
37. 37.61 × 64 =
38. 38.207 × 205 =
39. 39.306 × 308 =
40. 40.203 × 209 =

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