Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 241 · 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. 1.494 × 497 =
2. 2.204 × 208 =
3. 3.396 × 395 =
4. 4.301 × 307 =
5. 5.502 × 506 =
6. 6.209 × 206 =
7. 7.53 × 53 =
8. 8.17 × 18 =
9. 9.69 × 66 =
10. 10.87 × 89 =
11. 11.82 × 84 =
12. 12.307 × 306 =
13. 13.83 × 83 =
14. 14.89 × 88 =
15. 15.28 × 28 =
16. 16.601 × 602 =
17. 17.71 × 72 =
18. 18.39 × 39 =
19. 19.86 × 86 =
20. 20.21 × 21 =
21. 21.19 × 18 =
22. 22.403 × 401 =
23. 23.297 × 296 =
24. 24.91 × 92 =
25. 25.67 × 69 =
26. 26.54 × 54 =
27. 27.17 × 17 =
28. 28.19 × 16 =
29. 29.18 × 18 =
30. 30.24 × 22 =
31. 31.44 × 43 =
32. 32.42 × 43 =
33. 33.192 × 195 =
34. 34.58 × 57 =
35. 35.52 × 54 =
36. 36.398 × 397 =
37. 37.19 × 18 =
38. 38.58 × 58 =
39. 39.44 × 44 =
40. 40.309 × 306 =

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