Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 745 · 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. 1.599 × 597 =
2. 2.502 × 504 =
3. 3.201 × 209 =
4. 4.79 × 76 =
5. 5.57 × 59 =
6. 6.16 × 19 =
7. 7.296 × 297 =
8. 8.57 × 57 =
9. 9.593 × 599 =
10. 10.36 × 36 =
11. 11.29 × 27 =
12. 12.392 × 396 =
13. 13.92 × 94 =
14. 14.202 × 207 =
15. 15.94 × 92 =
16. 16.84 × 83 =
17. 17.492 × 499 =
18. 18.304 × 302 =
19. 19.397 × 391 =
20. 20.301 × 302 =
21. 21.197 × 194 =
22. 22.84 × 84 =
23. 23.31 × 33 =
24. 24.56 × 58 =
25. 25.502 × 502 =
26. 26.71 × 71 =
27. 27.505 × 505 =
28. 28.49 × 46 =
29. 29.33 × 31 =
30. 30.598 × 597 =
31. 31.68 × 69 =
32. 32.78 × 79 =
33. 33.395 × 392 =
34. 34.191 × 194 =
35. 35.29 × 27 =
36. 36.62 × 63 =
37. 37.79 × 76 =
38. 38.292 × 291 =
39. 39.83 × 83 =
40. 40.203 × 205 =

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