Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 2 · 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. 1.503 × 501 =
2. 2.49 × 48 =
3. 3.43 × 41 =
4. 4.57 × 58 =
5. 5.302 × 301 =
6. 6.205 × 202 =
7. 7.59 × 59 =
8. 8.408 × 403 =
9. 9.73 × 72 =
10. 10.94 × 92 =
11. 11.66 × 67 =
12. 12.598 × 599 =
13. 13.77 × 79 =
14. 14.192 × 195 =
15. 15.64 × 61 =
16. 16.301 × 304 =
17. 17.196 × 199 =
18. 18.74 × 72 =
19. 19.499 × 499 =
20. 20.89 × 87 =
21. 21.403 × 406 =
22. 22.61 × 62 =
23. 23.16 × 19 =
24. 24.49 × 49 =
25. 25.28 × 27 =
26. 26.26 × 28 =
27. 27.53 × 54 =
28. 28.19 × 16 =
29. 29.22 × 24 =
30. 30.74 × 73 =
31. 31.602 × 601 =
32. 32.398 × 399 =
33. 33.39 × 38 =
34. 34.391 × 391 =
35. 35.86 × 89 =
36. 36.498 × 498 =
37. 37.27 × 27 =
38. 38.39 × 39 =
39. 39.496 × 493 =
40. 40.66 × 66 =

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