Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 906 · 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. 1.36 × 39 =
2. 2.399 × 398 =
3. 3.49 × 46 =
4. 4.599 × 599 =
5. 5.403 × 401 =
6. 6.38 × 36 =
7. 7.607 × 609 =
8. 8.36 × 39 =
9. 9.68 × 68 =
10. 10.49 × 49 =
11. 11.501 × 503 =
12. 12.401 × 406 =
13. 13.73 × 73 =
14. 14.397 × 391 =
15. 15.204 × 202 =
16. 16.73 × 72 =
17. 17.301 × 304 =
18. 18.595 × 598 =
19. 19.89 × 87 =
20. 20.36 × 37 =
21. 21.69 × 68 =
22. 22.24 × 22 =
23. 23.26 × 29 =
24. 24.409 × 409 =
25. 25.72 × 73 =
26. 26.28 × 26 =
27. 27.499 × 498 =
28. 28.82 × 84 =
29. 29.596 × 594 =
30. 30.54 × 54 =
31. 31.79 × 78 =
32. 32.608 × 609 =
33. 33.78 × 76 =
34. 34.73 × 73 =
35. 35.91 × 94 =
36. 36.201 × 205 =
37. 37.297 × 297 =
38. 38.42 × 41 =
39. 39.397 × 396 =
40. 40.292 × 292 =

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