Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 613 · 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 × 89 =
2. 2.294 × 291 =
3. 3.192 × 192 =
4. 4.57 × 56 =
5. 5.26 × 26 =
6. 6.407 × 403 =
7. 7.24 × 21 =
8. 8.34 × 32 =
9. 9.291 × 296 =
10. 10.496 × 499 =
11. 11.26 × 26 =
12. 12.84 × 82 =
13. 13.293 × 293 =
14. 14.27 × 29 =
15. 15.308 × 306 =
16. 16.83 × 82 =
17. 17.496 × 495 =
18. 18.291 × 291 =
19. 19.88 × 86 =
20. 20.407 × 405 =
21. 21.69 × 67 =
22. 22.34 × 31 =
23. 23.403 × 401 =
24. 24.48 × 48 =
25. 25.27 × 29 =
26. 26.21 × 23 =
27. 27.92 × 91 =
28. 28.59 × 56 =
29. 29.77 × 77 =
30. 30.398 × 399 =
31. 31.42 × 44 =
32. 32.74 × 74 =
33. 33.23 × 21 =
34. 34.508 × 505 =
35. 35.78 × 77 =
36. 36.507 × 506 =
37. 37.308 × 301 =
38. 38.94 × 92 =
39. 39.497 × 499 =
40. 40.92 × 93 =

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