Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 122 · 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. 1.195 × 193 =
2. 2.49 × 49 =
3. 3.89 × 89 =
4. 4.506 × 504 =
5. 5.61 × 61 =
6. 6.24 × 21 =
7. 7.403 × 408 =
8. 8.78 × 77 =
9. 9.52 × 51 =
10. 10.23 × 24 =
11. 11.292 × 292 =
12. 12.607 × 608 =
13. 13.499 × 492 =
14. 14.19 × 18 =
15. 15.397 × 395 =
16. 16.501 × 505 =
17. 17.22 × 23 =
18. 18.505 × 502 =
19. 19.16 × 16 =
20. 20.305 × 304 =
21. 21.196 × 196 =
22. 22.198 × 195 =
23. 23.194 × 197 =
24. 24.44 × 44 =
25. 25.594 × 594 =
26. 26.307 × 306 =
27. 27.295 × 297 =
28. 28.208 × 204 =
29. 29.26 × 26 =
30. 30.602 × 604 =
31. 31.57 × 59 =
32. 32.69 × 68 =
33. 33.48 × 49 =
34. 34.77 × 77 =
35. 35.31 × 34 =
36. 36.505 × 504 =
37. 37.86 × 88 =
38. 38.296 × 292 =
39. 39.608 × 608 =
40. 40.87 × 89 =

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