Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 57 · 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. 1.42 × 44 =
2. 2.308 × 306 =
3. 3.195 × 199 =
4. 4.403 × 408 =
5. 5.202 × 203 =
6. 6.44 × 41 =
7. 7.48 × 48 =
8. 8.88 × 87 =
9. 9.67 × 69 =
10. 10.592 × 598 =
11. 11.305 × 301 =
12. 12.56 × 58 =
13. 13.47 × 49 =
14. 14.595 × 594 =
15. 15.509 × 504 =
16. 16.306 × 304 =
17. 17.46 × 46 =
18. 18.61 × 61 =
19. 19.302 × 307 =
20. 20.607 × 602 =
21. 21.198 × 197 =
22. 22.507 × 506 =
23. 23.86 × 89 =
24. 24.88 × 89 =
25. 25.62 × 61 =
26. 26.66 × 68 =
27. 27.209 × 202 =
28. 28.21 × 24 =
29. 29.597 × 594 =
30. 30.607 × 602 =
31. 31.506 × 503 =
32. 32.18 × 18 =
33. 33.207 × 206 =
34. 34.505 × 508 =
35. 35.83 × 84 =
36. 36.298 × 296 =
37. 37.597 × 597 =
38. 38.24 × 24 =
39. 39.593 × 594 =
40. 40.404 × 407 =

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