Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 126 · 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. 1.28 × 28 =
2. 2.592 × 597 =
3. 3.21 × 23 =
4. 4.69 × 66 =
5. 5.494 × 497 =
6. 6.392 × 398 =
7. 7.42 × 42 =
8. 8.495 × 494 =
9. 9.597 × 598 =
10. 10.23 × 21 =
11. 11.196 × 192 =
12. 12.301 × 303 =
13. 13.304 × 306 =
14. 14.193 × 198 =
15. 15.402 × 405 =
16. 16.197 × 191 =
17. 17.91 × 91 =
18. 18.38 × 37 =
19. 19.201 × 209 =
20. 20.92 × 92 =
21. 21.401 × 401 =
22. 22.49 × 46 =
23. 23.401 × 408 =
24. 24.69 × 68 =
25. 25.74 × 71 =
26. 26.68 × 68 =
27. 27.74 × 73 =
28. 28.41 × 43 =
29. 29.305 × 302 =
30. 30.309 × 301 =
31. 31.76 × 77 =
32. 32.51 × 51 =
33. 33.206 × 203 =
34. 34.92 × 92 =
35. 35.76 × 77 =
36. 36.592 × 596 =
37. 37.21 × 21 =
38. 38.42 × 43 =
39. 39.22 × 22 =
40. 40.599 × 597 =

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