Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 590 · 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. 1.28 × 27 =
2. 2.61 × 63 =
3. 3.59 × 59 =
4. 4.66 × 69 =
5. 5.193 × 197 =
6. 6.203 × 205 =
7. 7.292 × 297 =
8. 8.398 × 398 =
9. 9.91 × 92 =
10. 10.73 × 72 =
11. 11.77 × 77 =
12. 12.203 × 201 =
13. 13.505 × 501 =
14. 14.57 × 58 =
15. 15.301 × 308 =
16. 16.46 × 47 =
17. 17.22 × 24 =
18. 18.301 × 306 =
19. 19.491 × 498 =
20. 20.76 × 78 =
21. 21.194 × 194 =
22. 22.405 × 401 =
23. 23.404 × 405 =
24. 24.56 × 57 =
25. 25.48 × 46 =
26. 26.49 × 46 =
27. 27.57 × 58 =
28. 28.592 × 599 =
29. 29.298 × 295 =
30. 30.395 × 399 =
31. 31.84 × 81 =
32. 32.304 × 307 =
33. 33.405 × 409 =
34. 34.33 × 33 =
35. 35.51 × 53 =
36. 36.48 × 48 =
37. 37.73 × 72 =
38. 38.59 × 56 =
39. 39.38 × 39 =
40. 40.36 × 38 =

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