Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 232 · 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. 1.86 × 88 =
2. 2.22 × 21 =
3. 3.194 × 192 =
4. 4.83 × 82 =
5. 5.201 × 203 =
6. 6.24 × 22 =
7. 7.501 × 502 =
8. 8.498 × 492 =
9. 9.78 × 77 =
10. 10.599 × 594 =
11. 11.191 × 193 =
12. 12.84 × 81 =
13. 13.36 × 36 =
14. 14.64 × 63 =
15. 15.31 × 34 =
16. 16.391 × 391 =
17. 17.67 × 69 =
18. 18.38 × 36 =
19. 19.49 × 49 =
20. 20.602 × 605 =
21. 21.304 × 303 =
22. 22.404 × 403 =
23. 23.74 × 73 =
24. 24.26 × 28 =
25. 25.89 × 88 =
26. 26.406 × 408 =
27. 27.66 × 66 =
28. 28.59 × 56 =
29. 29.397 × 391 =
30. 30.598 × 596 =
31. 31.391 × 398 =
32. 32.83 × 82 =
33. 33.78 × 79 =
34. 34.595 × 597 =
35. 35.492 × 495 =
36. 36.91 × 93 =
37. 37.52 × 51 =
38. 38.17 × 19 =
39. 39.69 × 69 =
40. 40.192 × 194 =

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