Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 289 · 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. 1.199 × 193 =
2. 2.28 × 26 =
3. 3.68 × 66 =
4. 4.93 × 91 =
5. 5.29 × 26 =
6. 6.296 × 294 =
7. 7.296 × 293 =
8. 8.209 × 204 =
9. 9.77 × 78 =
10. 10.16 × 16 =
11. 11.197 × 197 =
12. 12.18 × 16 =
13. 13.291 × 296 =
14. 14.28 × 26 =
15. 15.403 × 409 =
16. 16.59 × 59 =
17. 17.63 × 64 =
18. 18.31 × 32 =
19. 19.408 × 402 =
20. 20.53 × 54 =
21. 21.298 × 293 =
22. 22.69 × 66 =
23. 23.309 × 308 =
24. 24.46 × 48 =
25. 25.61 × 61 =
26. 26.593 × 592 =
27. 27.88 × 86 =
28. 28.391 × 395 =
29. 29.59 × 58 =
30. 30.82 × 84 =
31. 31.207 × 202 =
32. 32.39 × 39 =
33. 33.49 × 46 =
34. 34.94 × 91 =
35. 35.409 × 404 =
36. 36.48 × 47 =
37. 37.61 × 62 =
38. 38.61 × 61 =
39. 39.193 × 191 =
40. 40.51 × 51 =

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