Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 998 · 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 × 93 =
2. 2.508 × 504 =
3. 3.66 × 66 =
4. 4.37 × 37 =
5. 5.76 × 76 =
6. 6.196 × 198 =
7. 7.404 × 403 =
8. 8.61 × 64 =
9. 9.497 × 498 =
10. 10.56 × 58 =
11. 11.54 × 53 =
12. 12.51 × 51 =
13. 13.608 × 606 =
14. 14.53 × 53 =
15. 15.34 × 31 =
16. 16.491 × 496 =
17. 17.208 × 206 =
18. 18.57 × 56 =
19. 19.57 × 56 =
20. 20.17 × 18 =
21. 21.291 × 296 =
22. 22.297 × 293 =
23. 23.19 × 19 =
24. 24.24 × 22 =
25. 25.601 × 601 =
26. 26.41 × 43 =
27. 27.193 × 197 =
28. 28.68 × 66 =
29. 29.504 × 503 =
30. 30.603 × 602 =
31. 31.499 × 494 =
32. 32.93 × 94 =
33. 33.77 × 77 =
34. 34.408 × 408 =
35. 35.401 × 402 =
36. 36.62 × 62 =
37. 37.195 × 199 =
38. 38.49 × 49 =
39. 39.296 × 295 =
40. 40.409 × 403 =

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