Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 321 · 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. 2.77 × 79 =
3. 3.77 × 79 =
4. 4.402 × 404 =
5. 5.305 × 306 =
6. 6.28 × 28 =
7. 7.296 × 294 =
8. 8.194 × 197 =
9. 9.39 × 37 =
10. 10.33 × 33 =
11. 11.68 × 69 =
12. 12.28 × 26 =
13. 13.58 × 57 =
14. 14.604 × 601 =
15. 15.594 × 598 =
16. 16.26 × 26 =
17. 17.41 × 41 =
18. 18.306 × 304 =
19. 19.201 × 206 =
20. 20.608 × 601 =
21. 21.38 × 39 =
22. 22.596 × 599 =
23. 23.52 × 51 =
24. 24.82 × 81 =
25. 25.492 × 491 =
26. 26.303 × 302 =
27. 27.402 × 407 =
28. 28.302 × 309 =
29. 29.198 × 193 =
30. 30.26 × 26 =
31. 31.501 × 509 =
32. 32.595 × 593 =
33. 33.66 × 69 =
34. 34.33 × 31 =
35. 35.26 × 28 =
36. 36.608 × 602 =
37. 37.78 × 78 =
38. 38.408 × 402 =
39. 39.83 × 82 =
40. 40.51 × 54 =

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