Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 406 · 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. 1.199 × 193 =
2. 2.56 × 58 =
3. 3.66 × 69 =
4. 4.21 × 23 =
5. 5.593 × 591 =
6. 6.194 × 191 =
7. 7.53 × 53 =
8. 8.53 × 53 =
9. 9.44 × 42 =
10. 10.56 × 56 =
11. 11.44 × 44 =
12. 12.67 × 67 =
13. 13.61 × 61 =
14. 14.19 × 17 =
15. 15.67 × 68 =
16. 16.47 × 46 =
17. 17.41 × 44 =
18. 18.298 × 297 =
19. 19.409 × 403 =
20. 20.28 × 27 =
21. 21.507 × 508 =
22. 22.604 × 608 =
23. 23.605 × 607 =
24. 24.44 × 42 =
25. 25.37 × 38 =
26. 26.49 × 47 =
27. 27.87 × 86 =
28. 28.193 × 198 =
29. 29.204 × 201 =
30. 30.81 × 82 =
31. 31.207 × 203 =
32. 32.497 × 498 =
33. 33.399 × 397 =
34. 34.401 × 401 =
35. 35.79 × 78 =
36. 36.21 × 21 =
37. 37.197 × 196 =
38. 38.72 × 72 =
39. 39.29 × 27 =
40. 40.503 × 501 =

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