Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 560 · 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. 1.31 × 32 =
2. 2.86 × 86 =
3. 3.51 × 51 =
4. 4.391 × 397 =
5. 5.305 × 301 =
6. 6.79 × 77 =
7. 7.305 × 307 =
8. 8.66 × 69 =
9. 9.596 × 597 =
10. 10.53 × 52 =
11. 11.194 × 194 =
12. 12.28 × 26 =
13. 13.37 × 38 =
14. 14.191 × 193 =
15. 15.91 × 91 =
16. 16.83 × 84 =
17. 17.407 × 401 =
18. 18.605 × 601 =
19. 19.52 × 52 =
20. 20.407 × 407 =
21. 21.41 × 43 =
22. 22.206 × 207 =
23. 23.602 × 607 =
24. 24.39 × 36 =
25. 25.594 × 599 =
26. 26.206 × 202 =
27. 27.392 × 394 =
28. 28.195 × 197 =
29. 29.19 × 17 =
30. 30.509 × 508 =
31. 31.52 × 53 =
32. 32.208 × 204 =
33. 33.494 × 499 =
34. 34.197 × 196 =
35. 35.201 × 206 =
36. 36.66 × 67 =
37. 37.206 × 205 =
38. 38.202 × 207 =
39. 39.78 × 79 =
40. 40.44 × 44 =

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