Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 194 · 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. 1.409 × 408 =
2. 2.48 × 46 =
3. 3.305 × 305 =
4. 4.208 × 201 =
5. 5.391 × 397 =
6. 6.78 × 76 =
7. 7.299 × 294 =
8. 8.402 × 407 =
9. 9.193 × 193 =
10. 10.497 × 493 =
11. 11.33 × 33 =
12. 12.397 × 393 =
13. 13.29 × 28 =
14. 14.56 × 59 =
15. 15.68 × 68 =
16. 16.303 × 305 =
17. 17.91 × 94 =
18. 18.47 × 48 =
19. 19.16 × 19 =
20. 20.501 × 504 =
21. 21.61 × 61 =
22. 22.46 × 47 =
23. 23.39 × 39 =
24. 24.56 × 56 =
25. 25.192 × 192 =
26. 26.392 × 397 =
27. 27.29 × 29 =
28. 28.93 × 92 =
29. 29.293 × 295 =
30. 30.492 × 491 =
31. 31.302 × 309 =
32. 32.59 × 57 =
33. 33.601 × 606 =
34. 34.59 × 58 =
35. 35.293 × 299 =
36. 36.92 × 92 =
37. 37.493 × 498 =
38. 38.68 × 67 =
39. 39.81 × 81 =
40. 40.18 × 18 =

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