Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 919 · 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. 1.16 × 18 =
2. 2.308 × 307 =
3. 3.306 × 301 =
4. 4.64 × 63 =
5. 5.28 × 27 =
6. 6.198 × 195 =
7. 7.27 × 29 =
8. 8.592 × 597 =
9. 9.47 × 49 =
10. 10.507 × 509 =
11. 11.42 × 43 =
12. 12.46 × 49 =
13. 13.38 × 39 =
14. 14.71 × 74 =
15. 15.82 × 84 =
16. 16.497 × 497 =
17. 17.64 × 64 =
18. 18.89 × 88 =
19. 19.79 × 79 =
20. 20.56 × 59 =
21. 21.405 × 401 =
22. 22.293 × 295 =
23. 23.202 × 207 =
24. 24.203 × 209 =
25. 25.592 × 599 =
26. 26.197 × 193 =
27. 27.88 × 87 =
28. 28.609 × 601 =
29. 29.392 × 392 =
30. 30.64 × 64 =
31. 31.28 × 27 =
32. 32.392 × 396 =
33. 33.208 × 206 =
34. 34.32 × 32 =
35. 35.194 × 197 =
36. 36.403 × 403 =
37. 37.207 × 207 =
38. 38.42 × 43 =
39. 39.195 × 198 =
40. 40.78 × 77 =

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