Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 674 · 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. 1.502 × 504 =
2. 2.26 × 26 =
3. 3.597 × 597 =
4. 4.43 × 41 =
5. 5.604 × 601 =
6. 6.41 × 42 =
7. 7.77 × 78 =
8. 8.292 × 292 =
9. 9.29 × 27 =
10. 10.89 × 89 =
11. 11.301 × 308 =
12. 12.601 × 609 =
13. 13.591 × 595 =
14. 14.595 × 599 =
15. 15.67 × 69 =
16. 16.495 × 491 =
17. 17.33 × 33 =
18. 18.49 × 46 =
19. 19.598 × 591 =
20. 20.33 × 31 =
21. 21.37 × 38 =
22. 22.598 × 593 =
23. 23.43 × 42 =
24. 24.72 × 71 =
25. 25.297 × 299 =
26. 26.64 × 64 =
27. 27.498 × 496 =
28. 28.302 × 306 =
29. 29.302 × 303 =
30. 30.398 × 396 =
31. 31.81 × 81 =
32. 32.48 × 46 =
33. 33.34 × 33 =
34. 34.508 × 505 =
35. 35.64 × 61 =
36. 36.81 × 81 =
37. 37.83 × 84 =
38. 38.89 × 88 =
39. 39.209 × 202 =
40. 40.18 × 16 =

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