Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 6 · 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. 1.404 × 404 =
2. 2.194 × 192 =
3. 3.79 × 79 =
4. 4.31 × 31 =
5. 5.507 × 501 =
6. 6.294 × 294 =
7. 7.93 × 91 =
8. 8.608 × 609 =
9. 9.69 × 67 =
10. 10.38 × 38 =
11. 11.392 × 398 =
12. 12.497 × 492 =
13. 13.301 × 301 =
14. 14.37 × 36 =
15. 15.193 × 193 =
16. 16.26 × 26 =
17. 17.196 × 192 =
18. 18.72 × 74 =
19. 19.398 × 394 =
20. 20.592 × 592 =
21. 21.92 × 94 =
22. 22.399 × 392 =
23. 23.69 × 66 =
24. 24.88 × 87 =
25. 25.397 × 396 =
26. 26.395 × 393 =
27. 27.409 × 405 =
28. 28.608 × 606 =
29. 29.293 × 299 =
30. 30.291 × 299 =
31. 31.92 × 92 =
32. 32.201 × 209 =
33. 33.497 × 492 =
34. 34.28 × 29 =
35. 35.19 × 16 =
36. 36.77 × 79 =
37. 37.74 × 74 =
38. 38.504 × 506 =
39. 39.599 × 592 =
40. 40.21 × 24 =

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