Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 849 · 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. 1.94 × 94 =
2. 2.93 × 93 =
3. 3.78 × 77 =
4. 4.83 × 82 =
5. 5.46 × 49 =
6. 6.31 × 32 =
7. 7.199 × 195 =
8. 8.31 × 33 =
9. 9.18 × 16 =
10. 10.393 × 398 =
11. 11.52 × 51 =
12. 12.82 × 82 =
13. 13.44 × 41 =
14. 14.201 × 206 =
15. 15.395 × 392 =
16. 16.73 × 72 =
17. 17.47 × 47 =
18. 18.49 × 48 =
19. 19.81 × 84 =
20. 20.397 × 399 =
21. 21.19 × 18 =
22. 22.67 × 67 =
23. 23.69 × 66 =
24. 24.19 × 17 =
25. 25.598 × 593 =
26. 26.506 × 503 =
27. 27.401 × 405 =
28. 28.394 × 396 =
29. 29.299 × 291 =
30. 30.595 × 597 =
31. 31.502 × 504 =
32. 32.596 × 599 =
33. 33.48 × 49 =
34. 34.44 × 43 =
35. 35.56 × 58 =
36. 36.395 × 399 =
37. 37.34 × 34 =
38. 38.87 × 89 =
39. 39.91 × 91 =
40. 40.81 × 82 =

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