Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 500 · 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. 1.291 × 299 =
2. 2.29 × 26 =
3. 3.409 × 404 =
4. 4.66 × 66 =
5. 5.502 × 507 =
6. 6.19 × 18 =
7. 7.604 × 609 =
8. 8.31 × 32 =
9. 9.19 × 16 =
10. 10.196 × 199 =
11. 11.17 × 17 =
12. 12.291 × 293 =
13. 13.198 × 191 =
14. 14.593 × 593 =
15. 15.508 × 502 =
16. 16.87 × 87 =
17. 17.33 × 32 =
18. 18.74 × 73 =
19. 19.24 × 24 =
20. 20.38 × 39 =
21. 21.17 × 18 =
22. 22.48 × 49 =
23. 23.496 × 497 =
24. 24.36 × 36 =
25. 25.499 × 497 =
26. 26.509 × 509 =
27. 27.51 × 51 =
28. 28.74 × 74 =
29. 29.41 × 44 =
30. 30.24 × 24 =
31. 31.49 × 47 =
32. 32.195 × 193 =
33. 33.305 × 305 =
34. 34.498 × 497 =
35. 35.64 × 64 =
36. 36.48 × 49 =
37. 37.23 × 23 =
38. 38.63 × 64 =
39. 39.56 × 58 =
40. 40.46 × 49 =

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