Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 364 · 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. 1.68 × 66 =
2. 2.89 × 86 =
3. 3.41 × 43 =
4. 4.498 × 499 =
5. 5.16 × 19 =
6. 6.301 × 304 =
7. 7.298 × 295 =
8. 8.94 × 92 =
9. 9.27 × 28 =
10. 10.292 × 292 =
11. 11.19 × 16 =
12. 12.299 × 293 =
13. 13.54 × 52 =
14. 14.71 × 71 =
15. 15.599 × 597 =
16. 16.58 × 56 =
17. 17.505 × 505 =
18. 18.54 × 53 =
19. 19.596 × 596 =
20. 20.21 × 21 =
21. 21.52 × 54 =
22. 22.16 × 19 =
23. 23.83 × 82 =
24. 24.56 × 56 =
25. 25.194 × 191 =
26. 26.196 × 197 =
27. 27.24 × 22 =
28. 28.26 × 29 =
29. 29.23 × 23 =
30. 30.409 × 403 =
31. 31.44 × 41 =
32. 32.28 × 29 =
33. 33.66 × 67 =
34. 34.193 × 194 =
35. 35.49 × 47 =
36. 36.89 × 89 =
37. 37.405 × 403 =
38. 38.76 × 77 =
39. 39.28 × 28 =
40. 40.58 × 59 =

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