Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 131 · 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. 1.195 × 196 =
2. 2.23 × 22 =
3. 3.91 × 91 =
4. 4.71 × 73 =
5. 5.68 × 69 =
6. 6.57 × 56 =
7. 7.84 × 83 =
8. 8.39 × 39 =
9. 9.202 × 205 =
10. 10.37 × 39 =
11. 11.197 × 193 =
12. 12.37 × 39 =
13. 13.408 × 407 =
14. 14.595 × 596 =
15. 15.46 × 49 =
16. 16.82 × 82 =
17. 17.73 × 73 =
18. 18.78 × 78 =
19. 19.392 × 392 =
20. 20.297 × 298 =
21. 21.23 × 23 =
22. 22.24 × 21 =
23. 23.21 × 21 =
24. 24.392 × 392 =
25. 25.58 × 58 =
26. 26.44 × 41 =
27. 27.52 × 51 =
28. 28.92 × 92 =
29. 29.508 × 503 =
30. 30.195 × 199 =
31. 31.403 × 403 =
32. 32.503 × 507 =
33. 33.94 × 94 =
34. 34.495 × 495 =
35. 35.79 × 79 =
36. 36.501 × 504 =
37. 37.197 × 192 =
38. 38.79 × 77 =
39. 39.69 × 68 =
40. 40.193 × 193 =

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