Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 529 · 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. 1.62 × 61 =
2. 2.392 × 394 =
3. 3.593 × 592 =
4. 4.34 × 31 =
5. 5.78 × 78 =
6. 6.407 × 401 =
7. 7.34 × 33 =
8. 8.88 × 89 =
9. 9.494 × 495 =
10. 10.51 × 54 =
11. 11.593 × 599 =
12. 12.398 × 399 =
13. 13.88 × 89 =
14. 14.38 × 38 =
15. 15.26 × 27 =
16. 16.59 × 57 =
17. 17.203 × 207 =
18. 18.49 × 49 =
19. 19.61 × 61 =
20. 20.28 × 26 =
21. 21.34 × 32 =
22. 22.507 × 506 =
23. 23.32 × 33 =
24. 24.198 × 194 =
25. 25.68 × 66 =
26. 26.83 × 81 =
27. 27.603 × 603 =
28. 28.61 × 64 =
29. 29.26 × 27 =
30. 30.196 × 198 =
31. 31.301 × 305 =
32. 32.207 × 204 =
33. 33.294 × 294 =
34. 34.505 × 508 =
35. 35.27 × 27 =
36. 36.298 × 291 =
37. 37.68 × 69 =
38. 38.406 × 402 =
39. 39.89 × 87 =
40. 40.91 × 92 =

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