Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 786 · 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. 1.595 × 599 =
2. 2.87 × 89 =
3. 3.29 × 29 =
4. 4.193 × 196 =
5. 5.296 × 298 =
6. 6.309 × 305 =
7. 7.42 × 44 =
8. 8.76 × 76 =
9. 9.491 × 493 =
10. 10.53 × 53 =
11. 11.504 × 508 =
12. 12.61 × 63 =
13. 13.78 × 78 =
14. 14.78 × 77 =
15. 15.208 × 204 =
16. 16.16 × 16 =
17. 17.393 × 391 =
18. 18.43 × 42 =
19. 19.93 × 91 =
20. 20.391 × 397 =
21. 21.203 × 201 =
22. 22.403 × 405 =
23. 23.606 × 601 =
24. 24.598 × 597 =
25. 25.597 × 592 =
26. 26.196 × 197 =
27. 27.48 × 47 =
28. 28.407 × 405 =
29. 29.17 × 18 =
30. 30.23 × 22 =
31. 31.301 × 307 =
32. 32.19 × 18 =
33. 33.191 × 191 =
34. 34.504 × 508 =
35. 35.47 × 47 =
36. 36.69 × 67 =
37. 37.77 × 76 =
38. 38.209 × 205 =
39. 39.56 × 56 =
40. 40.22 × 24 =

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