Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 577 · 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. 1.38 × 38 =
2. 2.401 × 408 =
3. 3.307 × 301 =
4. 4.31 × 32 =
5. 5.491 × 496 =
6. 6.301 × 304 =
7. 7.69 × 68 =
8. 8.209 × 206 =
9. 9.79 × 78 =
10. 10.402 × 405 =
11. 11.593 × 597 =
12. 12.54 × 52 =
13. 13.293 × 291 =
14. 14.92 × 92 =
15. 15.408 × 402 =
16. 16.298 × 299 =
17. 17.396 × 392 =
18. 18.501 × 508 =
19. 19.309 × 307 =
20. 20.59 × 59 =
21. 21.51 × 52 =
22. 22.398 × 398 =
23. 23.608 × 605 =
24. 24.22 × 24 =
25. 25.82 × 83 =
26. 26.495 × 497 =
27. 27.68 × 69 =
28. 28.19 × 17 =
29. 29.29 × 28 =
30. 30.86 × 86 =
31. 31.193 × 194 =
32. 32.72 × 73 =
33. 33.68 × 66 =
34. 34.53 × 51 =
35. 35.597 × 597 =
36. 36.409 × 408 =
37. 37.43 × 44 =
38. 38.56 × 58 =
39. 39.191 × 198 =
40. 40.21 × 23 =

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