Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 659 · 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. 1.52 × 51 =
2. 2.602 × 607 =
3. 3.39 × 39 =
4. 4.201 × 201 =
5. 5.598 × 593 =
6. 6.61 × 63 =
7. 7.17 × 19 =
8. 8.62 × 61 =
9. 9.592 × 591 =
10. 10.396 × 391 =
11. 11.296 × 294 =
12. 12.16 × 18 =
13. 13.202 × 207 =
14. 14.29 × 26 =
15. 15.92 × 94 =
16. 16.201 × 204 =
17. 17.66 × 69 =
18. 18.44 × 43 =
19. 19.301 × 301 =
20. 20.49 × 49 =
21. 21.54 × 51 =
22. 22.57 × 56 =
23. 23.201 × 201 =
24. 24.51 × 54 =
25. 25.79 × 78 =
26. 26.39 × 37 =
27. 27.58 × 58 =
28. 28.83 × 83 =
29. 29.391 × 395 =
30. 30.402 × 405 =
31. 31.498 × 493 =
32. 32.89 × 87 =
33. 33.607 × 606 =
34. 34.396 × 396 =
35. 35.51 × 54 =
36. 36.36 × 39 =
37. 37.307 × 301 =
38. 38.207 × 207 =
39. 39.59 × 59 =
40. 40.58 × 59 =

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