Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 588 · 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. 2.197 × 195 =
3. 3.42 × 44 =
4. 4.302 × 303 =
5. 5.492 × 495 =
6. 6.495 × 498 =
7. 7.92 × 93 =
8. 8.404 × 408 =
9. 9.497 × 494 =
10. 10.491 × 498 =
11. 11.202 × 208 =
12. 12.69 × 67 =
13. 13.596 × 595 =
14. 14.59 × 59 =
15. 15.198 × 197 =
16. 16.603 × 607 =
17. 17.404 × 408 =
18. 18.599 × 597 =
19. 19.31 × 32 =
20. 20.66 × 69 =
21. 21.82 × 84 =
22. 22.495 × 491 =
23. 23.63 × 64 =
24. 24.72 × 71 =
25. 25.399 × 392 =
26. 26.195 × 192 =
27. 27.297 × 298 =
28. 28.407 × 406 =
29. 29.91 × 91 =
30. 30.38 × 38 =
31. 31.37 × 38 =
32. 32.604 × 602 =
33. 33.192 × 197 =
34. 34.406 × 402 =
35. 35.77 × 77 =
36. 36.293 × 292 =
37. 37.41 × 41 =
38. 38.27 × 26 =
39. 39.52 × 53 =
40. 40.603 × 608 =

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