Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 728 · 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. 1.92 × 92 =
2. 2.599 × 594 =
3. 3.292 × 296 =
4. 4.293 × 296 =
5. 5.593 × 597 =
6. 6.407 × 407 =
7. 7.17 × 19 =
8. 8.507 × 501 =
9. 9.23 × 23 =
10. 10.408 × 404 =
11. 11.21 × 22 =
12. 12.208 × 205 =
13. 13.46 × 46 =
14. 14.604 × 603 =
15. 15.501 × 508 =
16. 16.392 × 391 =
17. 17.23 × 22 =
18. 18.58 × 57 =
19. 19.207 × 205 =
20. 20.406 × 407 =
21. 21.17 × 17 =
22. 22.305 × 309 =
23. 23.68 × 68 =
24. 24.21 × 22 =
25. 25.297 × 292 =
26. 26.86 × 89 =
27. 27.47 × 48 =
28. 28.22 × 21 =
29. 29.68 × 67 =
30. 30.66 × 67 =
31. 31.495 × 499 =
32. 32.193 × 194 =
33. 33.56 × 59 =
34. 34.31 × 33 =
35. 35.23 × 22 =
36. 36.297 × 296 =
37. 37.305 × 306 =
38. 38.199 × 198 =
39. 39.29 × 29 =
40. 40.22 × 21 =

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