Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 496 · 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. 1.64 × 63 =
2. 2.509 × 505 =
3. 3.26 × 29 =
4. 4.208 × 206 =
5. 5.22 × 24 =
6. 6.56 × 59 =
7. 7.66 × 66 =
8. 8.29 × 27 =
9. 9.28 × 26 =
10. 10.507 × 507 =
11. 11.208 × 205 =
12. 12.26 × 29 =
13. 13.57 × 57 =
14. 14.26 × 29 =
15. 15.82 × 83 =
16. 16.79 × 77 =
17. 17.41 × 44 =
18. 18.77 × 76 =
19. 19.84 × 81 =
20. 20.93 × 93 =
21. 21.38 × 39 =
22. 22.495 × 496 =
23. 23.195 × 191 =
24. 24.598 × 595 =
25. 25.52 × 51 =
26. 26.401 × 405 =
27. 27.23 × 24 =
28. 28.68 × 66 =
29. 29.58 × 58 =
30. 30.197 × 198 =
31. 31.491 × 499 =
32. 32.406 × 401 =
33. 33.608 × 607 =
34. 34.608 × 601 =
35. 35.207 × 208 =
36. 36.51 × 51 =
37. 37.27 × 29 =
38. 38.57 × 57 =
39. 39.303 × 304 =
40. 40.398 × 394 =

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