Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 71 · 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. 1.44 × 44 =
2. 2.29 × 27 =
3. 3.16 × 19 =
4. 4.393 × 399 =
5. 5.509 × 508 =
6. 6.43 × 41 =
7. 7.203 × 205 =
8. 8.58 × 57 =
9. 9.24 × 21 =
10. 10.48 × 46 =
11. 11.57 × 59 =
12. 12.496 × 496 =
13. 13.403 × 408 =
14. 14.47 × 48 =
15. 15.59 × 59 =
16. 16.81 × 83 =
17. 17.22 × 22 =
18. 18.49 × 49 =
19. 19.293 × 297 =
20. 20.32 × 34 =
21. 21.303 × 305 =
22. 22.37 × 39 =
23. 23.301 × 301 =
24. 24.28 × 29 =
25. 25.205 × 206 =
26. 26.81 × 83 =
27. 27.84 × 81 =
28. 28.491 × 495 =
29. 29.598 × 595 =
30. 30.594 × 596 =
31. 31.33 × 32 =
32. 32.399 × 399 =
33. 33.497 × 494 =
34. 34.602 × 606 =
35. 35.56 × 59 =
36. 36.91 × 91 =
37. 37.88 × 88 =
38. 38.206 × 206 =
39. 39.24 × 24 =
40. 40.69 × 68 =

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