Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 75 · 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. 1.494 × 492 =
2. 2.594 × 598 =
3. 3.192 × 198 =
4. 4.607 × 607 =
5. 5.34 × 31 =
6. 6.53 × 53 =
7. 7.42 × 42 =
8. 8.19 × 17 =
9. 9.89 × 88 =
10. 10.601 × 605 =
11. 11.58 × 58 =
12. 12.41 × 43 =
13. 13.66 × 68 =
14. 14.42 × 43 =
15. 15.48 × 49 =
16. 16.78 × 78 =
17. 17.301 × 309 =
18. 18.197 × 192 =
19. 19.305 × 304 =
20. 20.293 × 295 =
21. 21.91 × 94 =
22. 22.607 × 602 =
23. 23.59 × 56 =
24. 24.76 × 78 =
25. 25.301 × 301 =
26. 26.42 × 43 =
27. 27.193 × 191 =
28. 28.92 × 94 =
29. 29.408 × 406 =
30. 30.402 × 404 =
31. 31.29 × 28 =
32. 32.294 × 292 =
33. 33.602 × 606 =
34. 34.72 × 73 =
35. 35.39 × 37 =
36. 36.193 × 196 =
37. 37.402 × 406 =
38. 38.409 × 403 =
39. 39.57 × 56 =
40. 40.192 × 197 =

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