Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 32 · 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. 1.34 × 31 =
2. 2.28 × 27 =
3. 3.71 × 73 =
4. 4.59 × 59 =
5. 5.402 × 406 =
6. 6.44 × 42 =
7. 7.69 × 66 =
8. 8.306 × 303 =
9. 9.17 × 19 =
10. 10.398 × 396 =
11. 11.28 × 27 =
12. 12.82 × 81 =
13. 13.42 × 43 =
14. 14.68 × 68 =
15. 15.37 × 38 =
16. 16.57 × 59 =
17. 17.83 × 84 =
18. 18.398 × 391 =
19. 19.191 × 192 =
20. 20.33 × 32 =
21. 21.407 × 406 =
22. 22.26 × 27 =
23. 23.203 × 206 =
24. 24.84 × 84 =
25. 25.44 × 41 =
26. 26.28 × 27 =
27. 27.299 × 295 =
28. 28.604 × 602 =
29. 29.44 × 41 =
30. 30.86 × 87 =
31. 31.67 × 66 =
32. 32.405 × 409 =
33. 33.508 × 507 =
34. 34.52 × 54 =
35. 35.201 × 201 =
36. 36.58 × 58 =
37. 37.42 × 44 =
38. 38.29 × 29 =
39. 39.603 × 602 =
40. 40.34 × 32 =

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