Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 782 · 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. 1.17 × 19 =
2. 2.395 × 398 =
3. 3.59 × 59 =
4. 4.26 × 26 =
5. 5.42 × 44 =
6. 6.71 × 71 =
7. 7.593 × 599 =
8. 8.294 × 298 =
9. 9.48 × 49 =
10. 10.199 × 193 =
11. 11.67 × 67 =
12. 12.393 × 397 =
13. 13.16 × 18 =
14. 14.44 × 41 =
15. 15.297 × 291 =
16. 16.592 × 599 =
17. 17.39 × 37 =
18. 18.392 × 393 =
19. 19.37 × 38 =
20. 20.77 × 78 =
21. 21.302 × 301 =
22. 22.397 × 398 =
23. 23.21 × 22 =
24. 24.76 × 77 =
25. 25.34 × 34 =
26. 26.404 × 405 =
27. 27.29 × 29 =
28. 28.54 × 53 =
29. 29.37 × 37 =
30. 30.24 × 23 =
31. 31.34 × 33 =
32. 32.206 × 204 =
33. 33.195 × 199 =
34. 34.199 × 192 =
35. 35.596 × 592 =
36. 36.48 × 47 =
37. 37.599 × 598 =
38. 38.52 × 51 =
39. 39.32 × 31 =
40. 40.37 × 38 =

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