Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 237 · 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. 1.18 × 16 =
2. 2.297 × 296 =
3. 3.403 × 405 =
4. 4.58 × 57 =
5. 5.34 × 34 =
6. 6.43 × 43 =
7. 7.29 × 28 =
8. 8.507 × 509 =
9. 9.308 × 303 =
10. 10.598 × 591 =
11. 11.81 × 82 =
12. 12.394 × 395 =
13. 13.396 × 393 =
14. 14.19 × 19 =
15. 15.63 × 61 =
16. 16.29 × 27 =
17. 17.23 × 22 =
18. 18.68 × 69 =
19. 19.19 × 18 =
20. 20.307 × 308 =
21. 21.19 × 19 =
22. 22.294 × 298 =
23. 23.91 × 91 =
24. 24.71 × 73 =
25. 25.595 × 599 =
26. 26.403 × 403 =
27. 27.295 × 297 =
28. 28.58 × 59 =
29. 29.56 × 56 =
30. 30.76 × 78 =
31. 31.18 × 19 =
32. 32.48 × 48 =
33. 33.39 × 38 =
34. 34.69 × 66 =
35. 35.38 × 37 =
36. 36.22 × 22 =
37. 37.44 × 42 =
38. 38.49 × 46 =
39. 39.591 × 598 =
40. 40.48 × 49 =

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