Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 915 · 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. 1.92 × 92 =
2. 2.597 × 599 =
3. 3.19 × 19 =
4. 4.63 × 63 =
5. 5.393 × 399 =
6. 6.292 × 294 =
7. 7.199 × 197 =
8. 8.88 × 86 =
9. 9.205 × 201 =
10. 10.79 × 76 =
11. 11.78 × 76 =
12. 12.302 × 303 =
13. 13.599 × 597 =
14. 14.207 × 205 =
15. 15.54 × 52 =
16. 16.594 × 593 =
17. 17.77 × 77 =
18. 18.396 × 397 =
19. 19.74 × 71 =
20. 20.205 × 201 =
21. 21.82 × 84 =
22. 22.32 × 33 =
23. 23.53 × 51 =
24. 24.198 × 191 =
25. 25.49 × 48 =
26. 26.93 × 94 =
27. 27.37 × 37 =
28. 28.309 × 307 =
29. 29.194 × 194 =
30. 30.28 × 27 =
31. 31.48 × 46 =
32. 32.493 × 498 =
33. 33.503 × 506 =
34. 34.48 × 49 =
35. 35.29 × 29 =
36. 36.78 × 76 =
37. 37.28 × 29 =
38. 38.503 × 508 =
39. 39.193 × 199 =
40. 40.32 × 32 =

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