Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 318 · 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. 1.39 × 37 =
2. 2.74 × 73 =
3. 3.92 × 94 =
4. 4.61 × 61 =
5. 5.598 × 595 =
6. 6.607 × 607 =
7. 7.76 × 78 =
8. 8.26 × 27 =
9. 9.88 × 89 =
10. 10.305 × 309 =
11. 11.81 × 81 =
12. 12.26 × 26 =
13. 13.196 × 197 =
14. 14.79 × 78 =
15. 15.56 × 58 =
16. 16.36 × 38 =
17. 17.37 × 36 =
18. 18.297 × 295 =
19. 19.296 × 296 =
20. 20.22 × 21 =
21. 21.94 × 93 =
22. 22.66 × 67 =
23. 23.301 × 302 =
24. 24.207 × 207 =
25. 25.202 × 205 =
26. 26.54 × 53 =
27. 27.64 × 64 =
28. 28.76 × 78 =
29. 29.74 × 72 =
30. 30.92 × 94 =
31. 31.86 × 86 =
32. 32.58 × 59 =
33. 33.595 × 593 =
34. 34.506 × 504 =
35. 35.41 × 43 =
36. 36.76 × 78 =
37. 37.79 × 77 =
38. 38.398 × 391 =
39. 39.56 × 56 =
40. 40.409 × 401 =

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