Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 269 · 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. 1.88 × 87 =
2. 2.42 × 42 =
3. 3.297 × 299 =
4. 4.194 × 197 =
5. 5.305 × 308 =
6. 6.491 × 498 =
7. 7.94 × 94 =
8. 8.28 × 26 =
9. 9.206 × 206 =
10. 10.508 × 508 =
11. 11.495 × 492 =
12. 12.86 × 89 =
13. 13.21 × 21 =
14. 14.47 × 46 =
15. 15.497 × 495 =
16. 16.86 × 89 =
17. 17.504 × 503 =
18. 18.52 × 54 =
19. 19.493 × 498 =
20. 20.207 × 209 =
21. 21.42 × 42 =
22. 22.494 × 495 =
23. 23.203 × 202 =
24. 24.46 × 47 =
25. 25.31 × 33 =
26. 26.29 × 27 =
27. 27.608 × 601 =
28. 28.61 × 64 =
29. 29.309 × 309 =
30. 30.47 × 46 =
31. 31.92 × 91 =
32. 32.79 × 76 =
33. 33.593 × 594 =
34. 34.406 × 404 =
35. 35.302 × 307 =
36. 36.61 × 64 =
37. 37.401 × 402 =
38. 38.395 × 394 =
39. 39.507 × 503 =
40. 40.26 × 29 =

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