Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 771 · 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. 1.76 × 78 =
2. 2.33 × 33 =
3. 3.195 × 193 =
4. 4.69 × 68 =
5. 5.31 × 33 =
6. 6.409 × 404 =
7. 7.592 × 596 =
8. 8.34 × 32 =
9. 9.88 × 88 =
10. 10.409 × 405 =
11. 11.24 × 23 =
12. 12.46 × 48 =
13. 13.597 × 595 =
14. 14.596 × 595 =
15. 15.49 × 49 =
16. 16.493 × 492 =
17. 17.507 × 509 =
18. 18.503 × 503 =
19. 19.39 × 37 =
20. 20.409 × 402 =
21. 21.22 × 23 =
22. 22.36 × 38 =
23. 23.44 × 43 =
24. 24.66 × 67 =
25. 25.32 × 32 =
26. 26.28 × 29 =
27. 27.308 × 308 =
28. 28.29 × 26 =
29. 29.399 × 396 =
30. 30.64 × 63 =
31. 31.28 × 28 =
32. 32.496 × 491 =
33. 33.84 × 83 =
34. 34.499 × 498 =
35. 35.38 × 39 =
36. 36.62 × 61 =
37. 37.58 × 56 =
38. 38.296 × 297 =
39. 39.405 × 406 =
40. 40.52 × 54 =

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