Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 440 · 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. 1.47 × 46 =
2. 2.19 × 19 =
3. 3.298 × 292 =
4. 4.42 × 41 =
5. 5.39 × 39 =
6. 6.206 × 209 =
7. 7.36 × 37 =
8. 8.198 × 197 =
9. 9.505 × 509 =
10. 10.401 × 405 =
11. 11.193 × 198 =
12. 12.295 × 291 =
13. 13.44 × 42 =
14. 14.64 × 63 =
15. 15.28 × 26 =
16. 16.51 × 53 =
17. 17.492 × 499 =
18. 18.301 × 303 =
19. 19.202 × 204 =
20. 20.27 × 27 =
21. 21.505 × 507 =
22. 22.61 × 64 =
23. 23.92 × 93 =
24. 24.66 × 66 =
25. 25.36 × 39 =
26. 26.594 × 593 =
27. 27.72 × 73 =
28. 28.296 × 295 =
29. 29.194 × 199 =
30. 30.58 × 58 =
31. 31.292 × 297 =
32. 32.89 × 86 =
33. 33.38 × 39 =
34. 34.54 × 51 =
35. 35.506 × 507 =
36. 36.408 × 403 =
37. 37.597 × 593 =
38. 38.32 × 34 =
39. 39.201 × 206 =
40. 40.597 × 593 =

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