Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 246 · 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. 1.76 × 78 =
2. 2.54 × 52 =
3. 3.303 × 308 =
4. 4.306 × 302 =
5. 5.17 × 19 =
6. 6.508 × 501 =
7. 7.71 × 72 =
8. 8.402 × 403 =
9. 9.301 × 303 =
10. 10.503 × 504 =
11. 11.605 × 601 =
12. 12.207 × 202 =
13. 13.503 × 507 =
14. 14.46 × 48 =
15. 15.82 × 84 =
16. 16.495 × 497 =
17. 17.307 × 301 =
18. 18.503 × 509 =
19. 19.505 × 503 =
20. 20.299 × 298 =
21. 21.43 × 42 =
22. 22.196 × 191 =
23. 23.505 × 502 =
24. 24.191 × 192 =
25. 25.596 × 591 =
26. 26.395 × 395 =
27. 27.78 × 78 =
28. 28.309 × 303 =
29. 29.78 × 76 =
30. 30.17 × 17 =
31. 31.32 × 34 =
32. 32.402 × 407 =
33. 33.16 × 17 =
34. 34.37 × 39 =
35. 35.59 × 57 =
36. 36.42 × 44 =
37. 37.53 × 53 =
38. 38.17 × 16 =
39. 39.304 × 302 =
40. 40.398 × 398 =

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