Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 306 · 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. 1.57 × 58 =
2. 2.504 × 507 =
3. 3.501 × 507 =
4. 4.401 × 406 =
5. 5.298 × 297 =
6. 6.49 × 48 =
7. 7.204 × 207 =
8. 8.19 × 18 =
9. 9.66 × 67 =
10. 10.16 × 18 =
11. 11.599 × 596 =
12. 12.397 × 398 =
13. 13.402 × 405 =
14. 14.86 × 86 =
15. 15.51 × 52 =
16. 16.16 × 17 =
17. 17.392 × 395 =
18. 18.499 × 498 =
19. 19.64 × 61 =
20. 20.61 × 64 =
21. 21.507 × 503 =
22. 22.401 × 403 =
23. 23.21 × 22 =
24. 24.599 × 591 =
25. 25.77 × 79 =
26. 26.506 × 505 =
27. 27.596 × 599 =
28. 28.593 × 594 =
29. 29.503 × 507 =
30. 30.192 × 197 =
31. 31.36 × 39 =
32. 32.18 × 17 =
33. 33.34 × 34 =
34. 34.191 × 198 =
35. 35.593 × 596 =
36. 36.509 × 504 =
37. 37.302 × 301 =
38. 38.299 × 291 =
39. 39.27 × 27 =
40. 40.307 × 305 =

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