Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 292 · 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. 1.62 × 64 =
2. 2.42 × 43 =
3. 3.603 × 607 =
4. 4.34 × 34 =
5. 5.49 × 47 =
6. 6.498 × 493 =
7. 7.48 × 49 =
8. 8.73 × 73 =
9. 9.603 × 603 =
10. 10.394 × 392 =
11. 11.296 × 298 =
12. 12.31 × 32 =
13. 13.203 × 206 =
14. 14.19 × 18 =
15. 15.48 × 46 =
16. 16.66 × 67 =
17. 17.71 × 74 =
18. 18.61 × 63 =
19. 19.295 × 291 =
20. 20.499 × 497 =
21. 21.194 × 193 =
22. 22.41 × 42 =
23. 23.392 × 399 =
24. 24.393 × 397 =
25. 25.91 × 93 =
26. 26.391 × 396 =
27. 27.601 × 608 =
28. 28.191 × 194 =
29. 29.508 × 505 =
30. 30.302 × 304 =
31. 31.33 × 31 =
32. 32.49 × 46 =
33. 33.91 × 92 =
34. 34.59 × 57 =
35. 35.67 × 68 =
36. 36.507 × 504 =
37. 37.298 × 298 =
38. 38.397 × 396 =
39. 39.38 × 36 =
40. 40.599 × 595 =

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