Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 247 · 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. 1.89 × 89 =
2. 2.38 × 37 =
3. 3.58 × 59 =
4. 4.396 × 395 =
5. 5.68 × 66 =
6. 6.193 × 191 =
7. 7.92 × 94 =
8. 8.18 × 19 =
9. 9.18 × 18 =
10. 10.308 × 306 =
11. 11.198 × 194 =
12. 12.68 × 67 =
13. 13.196 × 196 =
14. 14.28 × 26 =
15. 15.598 × 598 =
16. 16.296 × 291 =
17. 17.21 × 24 =
18. 18.595 × 599 =
19. 19.59 × 58 =
20. 20.58 × 59 =
21. 21.307 × 305 =
22. 22.392 × 394 =
23. 23.303 × 308 =
24. 24.197 × 194 =
25. 25.598 × 596 =
26. 26.82 × 84 =
27. 27.22 × 23 =
28. 28.33 × 33 =
29. 29.39 × 37 =
30. 30.46 × 49 =
31. 31.595 × 593 =
32. 32.59 × 59 =
33. 33.36 × 39 =
34. 34.74 × 72 =
35. 35.501 × 501 =
36. 36.406 × 406 =
37. 37.36 × 39 =
38. 38.67 × 66 =
39. 39.297 × 294 =
40. 40.56 × 57 =

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