Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 514 · 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. 1.29 × 28 =
2. 2.309 × 309 =
3. 3.502 × 501 =
4. 4.58 × 58 =
5. 5.31 × 31 =
6. 6.43 × 41 =
7. 7.499 × 497 =
8. 8.33 × 33 =
9. 9.61 × 64 =
10. 10.292 × 295 =
11. 11.87 × 89 =
12. 12.59 × 58 =
13. 13.26 × 28 =
14. 14.54 × 53 =
15. 15.91 × 94 =
16. 16.602 × 606 =
17. 17.79 × 79 =
18. 18.91 × 91 =
19. 19.599 × 593 =
20. 20.47 × 49 =
21. 21.591 × 595 =
22. 22.88 × 87 =
23. 23.68 × 67 =
24. 24.71 × 72 =
25. 25.26 × 26 =
26. 26.302 × 307 =
27. 27.36 × 38 =
28. 28.34 × 32 =
29. 29.393 × 397 =
30. 30.499 × 491 =
31. 31.38 × 39 =
32. 32.197 × 195 =
33. 33.49 × 46 =
34. 34.23 × 21 =
35. 35.58 × 57 =
36. 36.597 × 591 =
37. 37.82 × 84 =
38. 38.507 × 508 =
39. 39.93 × 94 =
40. 40.43 × 44 =

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