Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 714 · 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. 1.309 × 307 =
2. 2.206 × 203 =
3. 3.201 × 201 =
4. 4.18 × 19 =
5. 5.39 × 38 =
6. 6.16 × 16 =
7. 7.41 × 41 =
8. 8.86 × 87 =
9. 9.76 × 78 =
10. 10.196 × 198 =
11. 11.392 × 393 =
12. 12.29 × 27 =
13. 13.94 × 91 =
14. 14.78 × 79 =
15. 15.305 × 305 =
16. 16.593 × 595 =
17. 17.495 × 498 =
18. 18.58 × 59 =
19. 19.207 × 201 =
20. 20.57 × 58 =
21. 21.52 × 51 =
22. 22.306 × 304 =
23. 23.77 × 79 =
24. 24.406 × 403 =
25. 25.304 × 302 =
26. 26.293 × 299 =
27. 27.86 × 89 =
28. 28.302 × 308 =
29. 29.87 × 89 =
30. 30.76 × 77 =
31. 31.28 × 27 =
32. 32.71 × 74 =
33. 33.84 × 82 =
34. 34.67 × 66 =
35. 35.29 × 29 =
36. 36.31 × 32 =
37. 37.496 × 492 =
38. 38.28 × 29 =
39. 39.68 × 67 =
40. 40.92 × 92 =

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