Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 836 · 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. 1.32 × 33 =
2. 2.491 × 499 =
3. 3.404 × 402 =
4. 4.17 × 16 =
5. 5.305 × 308 =
6. 6.79 × 77 =
7. 7.305 × 307 =
8. 8.602 × 605 =
9. 9.34 × 33 =
10. 10.52 × 54 =
11. 11.507 × 503 =
12. 12.302 × 301 =
13. 13.206 × 206 =
14. 14.22 × 24 =
15. 15.82 × 81 =
16. 16.207 × 209 =
17. 17.24 × 21 =
18. 18.93 × 92 =
19. 19.193 × 196 =
20. 20.594 × 596 =
21. 21.24 × 23 =
22. 22.195 × 197 =
23. 23.298 × 291 =
24. 24.39 × 37 =
25. 25.23 × 24 =
26. 26.21 × 21 =
27. 27.62 × 64 =
28. 28.592 × 597 =
29. 29.89 × 86 =
30. 30.88 × 86 =
31. 31.304 × 302 =
32. 32.309 × 302 =
33. 33.93 × 93 =
34. 34.406 × 401 =
35. 35.497 × 499 =
36. 36.198 × 194 =
37. 37.33 × 31 =
38. 38.52 × 54 =
39. 39.496 × 495 =
40. 40.302 × 304 =

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