Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 468 · 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. 1.293 × 295 =
2. 2.28 × 28 =
3. 3.301 × 301 =
4. 4.207 × 203 =
5. 5.197 × 194 =
6. 6.43 × 42 =
7. 7.48 × 46 =
8. 8.198 × 194 =
9. 9.397 × 396 =
10. 10.41 × 44 =
11. 11.27 × 26 =
12. 12.304 × 309 =
13. 13.77 × 78 =
14. 14.46 × 49 =
15. 15.51 × 52 =
16. 16.497 × 499 =
17. 17.28 × 26 =
18. 18.39 × 36 =
19. 19.91 × 93 =
20. 20.404 × 401 =
21. 21.19 × 17 =
22. 22.93 × 94 =
23. 23.591 × 592 =
24. 24.309 × 302 =
25. 25.63 × 64 =
26. 26.191 × 196 =
27. 27.294 × 291 =
28. 28.79 × 78 =
29. 29.507 × 509 =
30. 30.297 × 295 =
31. 31.21 × 22 =
32. 32.306 × 308 =
33. 33.203 × 202 =
34. 34.197 × 197 =
35. 35.63 × 63 =
36. 36.79 × 79 =
37. 37.48 × 48 =
38. 38.402 × 402 =
39. 39.404 × 408 =
40. 40.29 × 28 =

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