Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 24 · 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. 1.16 × 19 =
2. 2.196 × 198 =
3. 3.81 × 81 =
4. 4.37 × 39 =
5. 5.402 × 402 =
6. 6.74 × 72 =
7. 7.86 × 87 =
8. 8.393 × 396 =
9. 9.593 × 593 =
10. 10.608 × 601 =
11. 11.308 × 304 =
12. 12.299 × 293 =
13. 13.291 × 299 =
14. 14.309 × 301 =
15. 15.304 × 307 =
16. 16.74 × 74 =
17. 17.402 × 401 =
18. 18.88 × 86 =
19. 19.17 × 17 =
20. 20.39 × 37 =
21. 21.61 × 63 =
22. 22.69 × 69 =
23. 23.507 × 504 =
24. 24.46 × 49 =
25. 25.405 × 403 =
26. 26.27 × 29 =
27. 27.28 × 27 =
28. 28.88 × 88 =
29. 29.16 × 16 =
30. 30.88 × 87 =
31. 31.94 × 91 =
32. 32.17 × 19 =
33. 33.303 × 303 =
34. 34.42 × 44 =
35. 35.38 × 37 =
36. 36.591 × 598 =
37. 37.76 × 77 =
38. 38.49 × 48 =
39. 39.591 × 596 =
40. 40.47 × 46 =

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