Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 338 · 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. 1.607 × 609 =
2. 2.74 × 73 =
3. 3.197 × 192 =
4. 4.303 × 303 =
5. 5.56 × 56 =
6. 6.209 × 201 =
7. 7.501 × 502 =
8. 8.192 × 193 =
9. 9.501 × 509 =
10. 10.192 × 192 =
11. 11.203 × 206 =
12. 12.197 × 194 =
13. 13.303 × 305 =
14. 14.293 × 294 =
15. 15.306 × 308 =
16. 16.592 × 598 =
17. 17.29 × 28 =
18. 18.403 × 408 =
19. 19.83 × 83 =
20. 20.29 × 26 =
21. 21.297 × 292 =
22. 22.73 × 73 =
23. 23.42 × 43 =
24. 24.392 × 392 =
25. 25.405 × 406 =
26. 26.41 × 41 =
27. 27.57 × 56 =
28. 28.492 × 492 =
29. 29.72 × 71 =
30. 30.199 × 196 =
31. 31.88 × 86 =
32. 32.205 × 204 =
33. 33.27 × 27 =
34. 34.41 × 43 =
35. 35.299 × 294 =
36. 36.22 × 22 =
37. 37.54 × 54 =
38. 38.26 × 27 =
39. 39.51 × 51 =
40. 40.73 × 71 =

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