Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 403 · 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. 1.31 × 34 =
2. 2.27 × 27 =
3. 3.49 × 49 =
4. 4.71 × 74 =
5. 5.46 × 49 =
6. 6.21 × 21 =
7. 7.18 × 17 =
8. 8.591 × 599 =
9. 9.308 × 307 =
10. 10.59 × 59 =
11. 11.88 × 88 =
12. 12.54 × 52 =
13. 13.197 × 193 =
14. 14.302 × 302 =
15. 15.405 × 408 =
16. 16.295 × 291 =
17. 17.57 × 57 =
18. 18.91 × 93 =
19. 19.87 × 88 =
20. 20.58 × 59 =
21. 21.18 × 16 =
22. 22.593 × 598 =
23. 23.59 × 57 =
24. 24.19 × 17 =
25. 25.72 × 72 =
26. 26.599 × 599 =
27. 27.78 × 79 =
28. 28.307 × 307 =
29. 29.33 × 32 =
30. 30.493 × 496 =
31. 31.67 × 68 =
32. 32.61 × 61 =
33. 33.86 × 89 =
34. 34.301 × 308 =
35. 35.26 × 29 =
36. 36.498 × 496 =
37. 37.61 × 62 =
38. 38.193 × 196 =
39. 39.54 × 53 =
40. 40.73 × 72 =

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