Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 668 · 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. 1.493 × 496 =
2. 2.401 × 409 =
3. 3.49 × 48 =
4. 4.195 × 195 =
5. 5.195 × 195 =
6. 6.598 × 591 =
7. 7.604 × 607 =
8. 8.496 × 492 =
9. 9.78 × 79 =
10. 10.23 × 24 =
11. 11.193 × 192 =
12. 12.93 × 92 =
13. 13.292 × 295 =
14. 14.399 × 394 =
15. 15.207 × 204 =
16. 16.52 × 51 =
17. 17.52 × 51 =
18. 18.44 × 43 =
19. 19.295 × 298 =
20. 20.17 × 18 =
21. 21.23 × 23 =
22. 22.87 × 87 =
23. 23.59 × 57 =
24. 24.27 × 27 =
25. 25.61 × 62 =
26. 26.197 × 197 =
27. 27.194 × 192 =
28. 28.31 × 33 =
29. 29.29 × 28 =
30. 30.597 × 593 =
31. 31.63 × 64 =
32. 32.22 × 21 =
33. 33.76 × 77 =
34. 34.22 × 22 =
35. 35.34 × 34 =
36. 36.68 × 67 =
37. 37.79 × 76 =
38. 38.48 × 48 =
39. 39.192 × 193 =
40. 40.76 × 78 =

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