Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 697 · 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. 1.193 × 191 =
2. 2.59 × 59 =
3. 3.603 × 607 =
4. 4.62 × 64 =
5. 5.26 × 26 =
6. 6.91 × 91 =
7. 7.59 × 57 =
8. 8.88 × 87 =
9. 9.44 × 41 =
10. 10.87 × 86 =
11. 11.505 × 502 =
12. 12.301 × 308 =
13. 13.406 × 408 =
14. 14.27 × 29 =
15. 15.491 × 496 =
16. 16.401 × 406 =
17. 17.18 × 17 =
18. 18.26 × 29 =
19. 19.21 × 21 =
20. 20.81 × 81 =
21. 21.93 × 93 =
22. 22.503 × 505 =
23. 23.408 × 405 =
24. 24.597 × 594 =
25. 25.595 × 594 =
26. 26.46 × 46 =
27. 27.34 × 32 =
28. 28.409 × 405 =
29. 29.18 × 17 =
30. 30.53 × 51 =
31. 31.73 × 72 =
32. 32.196 × 191 =
33. 33.84 × 84 =
34. 34.32 × 33 =
35. 35.203 × 205 =
36. 36.404 × 402 =
37. 37.68 × 67 =
38. 38.592 × 593 =
39. 39.21 × 21 =
40. 40.89 × 87 =

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