Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 134 · 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. 1.63 × 61 =
2. 2.18 × 19 =
3. 3.29 × 27 =
4. 4.26 × 28 =
5. 5.42 × 41 =
6. 6.61 × 61 =
7. 7.29 × 27 =
8. 8.59 × 57 =
9. 9.61 × 64 =
10. 10.392 × 394 =
11. 11.16 × 19 =
12. 12.493 × 492 =
13. 13.66 × 66 =
14. 14.64 × 64 =
15. 15.299 × 293 =
16. 16.201 × 207 =
17. 17.77 × 76 =
18. 18.303 × 301 =
19. 19.79 × 79 =
20. 20.406 × 401 =
21. 21.21 × 21 =
22. 22.295 × 298 =
23. 23.36 × 39 =
24. 24.71 × 73 =
25. 25.94 × 93 =
26. 26.21 × 21 =
27. 27.292 × 295 =
28. 28.71 × 71 =
29. 29.58 × 56 =
30. 30.403 × 407 =
31. 31.64 × 64 =
32. 32.601 × 601 =
33. 33.34 × 32 =
34. 34.299 × 295 =
35. 35.398 × 391 =
36. 36.79 × 79 =
37. 37.53 × 54 =
38. 38.498 × 498 =
39. 39.47 × 49 =
40. 40.498 × 491 =

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