Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 805 · 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. 1.499 × 495 =
2. 2.409 × 404 =
3. 3.27 × 28 =
4. 4.209 × 203 =
5. 5.33 × 31 =
6. 6.293 × 293 =
7. 7.609 × 602 =
8. 8.39 × 36 =
9. 9.66 × 66 =
10. 10.22 × 24 =
11. 11.495 × 491 =
12. 12.607 × 607 =
13. 13.68 × 68 =
14. 14.61 × 63 =
15. 15.16 × 17 =
16. 16.295 × 298 =
17. 17.601 × 609 =
18. 18.61 × 64 =
19. 19.86 × 88 =
20. 20.599 × 599 =
21. 21.499 × 491 =
22. 22.94 × 91 =
23. 23.93 × 93 =
24. 24.93 × 92 =
25. 25.606 × 602 =
26. 26.307 × 307 =
27. 27.53 × 52 =
28. 28.603 × 604 =
29. 29.305 × 307 =
30. 30.391 × 399 =
31. 31.31 × 33 =
32. 32.27 × 27 =
33. 33.592 × 599 =
34. 34.81 × 81 =
35. 35.602 × 602 =
36. 36.407 × 402 =
37. 37.51 × 53 =
38. 38.48 × 47 =
39. 39.73 × 74 =
40. 40.506 × 503 =

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