Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 739 · 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. 1.301 × 305 =
2. 2.304 × 304 =
3. 3.68 × 66 =
4. 4.297 × 299 =
5. 5.395 × 395 =
6. 6.295 × 297 =
7. 7.601 × 602 =
8. 8.56 × 57 =
9. 9.43 × 41 =
10. 10.61 × 61 =
11. 11.67 × 67 =
12. 12.81 × 81 =
13. 13.72 × 73 =
14. 14.302 × 304 =
15. 15.42 × 41 =
16. 16.48 × 46 =
17. 17.78 × 79 =
18. 18.18 × 16 =
19. 19.27 × 27 =
20. 20.62 × 63 =
21. 21.496 × 491 =
22. 22.196 × 192 =
23. 23.197 × 194 =
24. 24.79 × 79 =
25. 25.66 × 68 =
26. 26.47 × 47 =
27. 27.78 × 76 =
28. 28.499 × 493 =
29. 29.91 × 92 =
30. 30.291 × 298 =
31. 31.605 × 605 =
32. 32.399 × 391 =
33. 33.394 × 399 =
34. 34.291 × 299 =
35. 35.36 × 37 =
36. 36.22 × 22 =
37. 37.306 × 306 =
38. 38.398 × 398 =
39. 39.502 × 506 =
40. 40.502 × 504 =

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