Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 819 · 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. 1.34 × 34 =
2. 2.93 × 91 =
3. 3.81 × 84 =
4. 4.308 × 307 =
5. 5.29 × 27 =
6. 6.89 × 86 =
7. 7.199 × 194 =
8. 8.32 × 34 =
9. 9.41 × 43 =
10. 10.37 × 38 =
11. 11.77 × 76 =
12. 12.66 × 68 =
13. 13.82 × 83 =
14. 14.71 × 72 =
15. 15.48 × 46 =
16. 16.92 × 91 =
17. 17.609 × 608 =
18. 18.64 × 64 =
19. 19.291 × 294 =
20. 20.91 × 94 =
21. 21.32 × 33 =
22. 22.307 × 306 =
23. 23.294 × 299 =
24. 24.24 × 24 =
25. 25.298 × 294 =
26. 26.94 × 93 =
27. 27.396 × 394 =
28. 28.609 × 606 =
29. 29.46 × 47 =
30. 30.32 × 33 =
31. 31.502 × 501 =
32. 32.37 × 37 =
33. 33.291 × 291 =
34. 34.84 × 83 =
35. 35.303 × 309 =
36. 36.43 × 42 =
37. 37.49 × 48 =
38. 38.406 × 401 =
39. 39.197 × 197 =
40. 40.593 × 594 =

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