Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 751 · 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. 1.62 × 61 =
2. 2.37 × 37 =
3. 3.193 × 195 =
4. 4.392 × 393 =
5. 5.409 × 408 =
6. 6.404 × 408 =
7. 7.88 × 87 =
8. 8.398 × 399 =
9. 9.295 × 295 =
10. 10.198 × 197 =
11. 11.592 × 591 =
12. 12.44 × 43 =
13. 13.87 × 89 =
14. 14.87 × 86 =
15. 15.596 × 591 =
16. 16.507 × 501 =
17. 17.501 × 501 =
18. 18.401 × 404 =
19. 19.292 × 294 =
20. 20.94 × 91 =
21. 21.47 × 48 =
22. 22.26 × 28 =
23. 23.56 × 58 =
24. 24.198 × 195 =
25. 25.69 × 69 =
26. 26.28 × 29 =
27. 27.37 × 37 =
28. 28.22 × 21 =
29. 29.59 × 59 =
30. 30.498 × 498 =
31. 31.294 × 295 =
32. 32.42 × 41 =
33. 33.52 × 53 =
34. 34.608 × 609 =
35. 35.597 × 592 =
36. 36.91 × 92 =
37. 37.605 × 609 =
38. 38.76 × 79 =
39. 39.608 × 608 =
40. 40.391 × 393 =

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