Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 11 · 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 × 63 =
2. 2.295 × 292 =
3. 3.41 × 41 =
4. 4.191 × 197 =
5. 5.296 × 299 =
6. 6.606 × 605 =
7. 7.207 × 202 =
8. 8.47 × 48 =
9. 9.61 × 63 =
10. 10.197 × 198 =
11. 11.204 × 202 =
12. 12.56 × 59 =
13. 13.87 × 86 =
14. 14.51 × 52 =
15. 15.82 × 81 =
16. 16.296 × 297 =
17. 17.304 × 305 =
18. 18.301 × 306 =
19. 19.395 × 395 =
20. 20.308 × 302 =
21. 21.91 × 92 =
22. 22.41 × 41 =
23. 23.33 × 33 =
24. 24.27 × 29 =
25. 25.508 × 508 =
26. 26.391 × 398 =
27. 27.41 × 41 =
28. 28.302 × 306 =
29. 29.606 × 609 =
30. 30.29 × 27 =
31. 31.76 × 77 =
32. 32.597 × 597 =
33. 33.498 × 498 =
34. 34.58 × 56 =
35. 35.492 × 497 =
36. 36.42 × 41 =
37. 37.392 × 397 =
38. 38.393 × 394 =
39. 39.392 × 397 =
40. 40.205 × 202 =

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