Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 963 · 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. 1.501 × 503 =
2. 2.19 × 16 =
3. 3.23 × 24 =
4. 4.501 × 508 =
5. 5.44 × 41 =
6. 6.498 × 499 =
7. 7.31 × 33 =
8. 8.77 × 76 =
9. 9.17 × 18 =
10. 10.509 × 507 =
11. 11.39 × 39 =
12. 12.82 × 83 =
13. 13.503 × 503 =
14. 14.28 × 27 =
15. 15.33 × 31 =
16. 16.497 × 495 =
17. 17.19 × 16 =
18. 18.71 × 71 =
19. 19.61 × 64 =
20. 20.56 × 58 =
21. 21.203 × 208 =
22. 22.71 × 71 =
23. 23.207 × 203 =
24. 24.22 × 22 =
25. 25.71 × 72 =
26. 26.33 × 31 =
27. 27.501 × 508 =
28. 28.293 × 297 =
29. 29.16 × 19 =
30. 30.87 × 86 =
31. 31.63 × 64 =
32. 32.502 × 506 =
33. 33.591 × 591 =
34. 34.19 × 16 =
35. 35.38 × 38 =
36. 36.302 × 306 =
37. 37.43 × 42 =
38. 38.61 × 62 =
39. 39.16 × 19 =
40. 40.22 × 21 =

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