Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 756 · 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. 1.31 × 33 =
2. 2.17 × 19 =
3. 3.36 × 36 =
4. 4.403 × 401 =
5. 5.195 × 192 =
6. 6.398 × 398 =
7. 7.406 × 409 =
8. 8.74 × 73 =
9. 9.52 × 51 =
10. 10.31 × 31 =
11. 11.195 × 193 =
12. 12.607 × 604 =
13. 13.62 × 63 =
14. 14.27 × 28 =
15. 15.48 × 49 =
16. 16.31 × 31 =
17. 17.92 × 93 =
18. 18.26 × 26 =
19. 19.306 × 302 =
20. 20.57 × 58 =
21. 21.309 × 307 =
22. 22.201 × 205 =
23. 23.299 × 298 =
24. 24.66 × 67 =
25. 25.87 × 89 =
26. 26.24 × 23 =
27. 27.297 × 298 =
28. 28.294 × 295 =
29. 29.299 × 297 =
30. 30.205 × 203 =
31. 31.198 × 198 =
32. 32.87 × 88 =
33. 33.21 × 22 =
34. 34.392 × 392 =
35. 35.293 × 299 =
36. 36.74 × 73 =
37. 37.94 × 94 =
38. 38.23 × 23 =
39. 39.33 × 33 =
40. 40.291 × 294 =

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