Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 539 · 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. 1.608 × 604 =
2. 2.54 × 54 =
3. 3.597 × 599 =
4. 4.394 × 394 =
5. 5.89 × 87 =
6. 6.198 × 196 =
7. 7.68 × 67 =
8. 8.399 × 393 =
9. 9.37 × 38 =
10. 10.206 × 206 =
11. 11.203 × 205 =
12. 12.81 × 82 =
13. 13.504 × 505 =
14. 14.606 × 601 =
15. 15.41 × 42 =
16. 16.393 × 393 =
17. 17.18 × 19 =
18. 18.593 × 592 =
19. 19.507 × 502 =
20. 20.52 × 51 =
21. 21.59 × 57 =
22. 22.68 × 69 =
23. 23.293 × 299 =
24. 24.298 × 298 =
25. 25.82 × 81 =
26. 26.306 × 308 =
27. 27.67 × 66 =
28. 28.392 × 399 =
29. 29.402 × 408 =
30. 30.83 × 82 =
31. 31.193 × 196 =
32. 32.61 × 62 =
33. 33.69 × 69 =
34. 34.505 × 506 =
35. 35.43 × 44 =
36. 36.597 × 597 =
37. 37.202 × 204 =
38. 38.39 × 37 =
39. 39.596 × 599 =
40. 40.495 × 497 =

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