Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 966 · 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. 1.47 × 49 =
2. 2.22 × 23 =
3. 3.201 × 209 =
4. 4.39 × 39 =
5. 5.64 × 64 =
6. 6.47 × 47 =
7. 7.391 × 396 =
8. 8.194 × 195 =
9. 9.76 × 76 =
10. 10.71 × 72 =
11. 11.399 × 391 =
12. 12.206 × 204 =
13. 13.305 × 303 =
14. 14.41 × 43 =
15. 15.69 × 68 =
16. 16.24 × 23 =
17. 17.38 × 37 =
18. 18.192 × 195 =
19. 19.88 × 87 =
20. 20.66 × 69 =
21. 21.208 × 201 =
22. 22.303 × 306 =
23. 23.91 × 94 =
24. 24.407 × 403 =
25. 25.291 × 296 =
26. 26.39 × 39 =
27. 27.42 × 43 =
28. 28.205 × 203 =
29. 29.403 × 408 =
30. 30.207 × 204 =
31. 31.39 × 37 =
32. 32.81 × 81 =
33. 33.83 × 83 =
34. 34.91 × 93 =
35. 35.595 × 596 =
36. 36.72 × 74 =
37. 37.53 × 53 =
38. 38.499 × 496 =
39. 39.28 × 28 =
40. 40.48 × 47 =

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