Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 164 · 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. 1.58 × 57 =
2. 2.62 × 61 =
3. 3.48 × 48 =
4. 4.61 × 63 =
5. 5.292 × 297 =
6. 6.501 × 501 =
7. 7.406 × 405 =
8. 8.36 × 36 =
9. 9.39 × 38 =
10. 10.19 × 19 =
11. 11.78 × 79 =
12. 12.208 × 204 =
13. 13.24 × 24 =
14. 14.82 × 84 =
15. 15.31 × 32 =
16. 16.39 × 39 =
17. 17.208 × 208 =
18. 18.67 × 66 =
19. 19.605 × 607 =
20. 20.59 × 56 =
21. 21.87 × 86 =
22. 22.38 × 39 =
23. 23.392 × 398 =
24. 24.84 × 83 =
25. 25.56 × 57 =
26. 26.392 × 395 =
27. 27.193 × 193 =
28. 28.52 × 52 =
29. 29.405 × 403 =
30. 30.495 × 495 =
31. 31.83 × 82 =
32. 32.54 × 54 =
33. 33.397 × 396 =
34. 34.593 × 591 =
35. 35.31 × 33 =
36. 36.499 × 492 =
37. 37.308 × 303 =
38. 38.491 × 491 =
39. 39.504 × 509 =
40. 40.58 × 59 =

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