Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 307 · 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. 1.51 × 51 =
2. 2.72 × 71 =
3. 3.26 × 27 =
4. 4.57 × 58 =
5. 5.68 × 68 =
6. 6.208 × 203 =
7. 7.26 × 27 =
8. 8.394 × 397 =
9. 9.306 × 306 =
10. 10.604 × 604 =
11. 11.48 × 46 =
12. 12.501 × 506 =
13. 13.206 × 207 =
14. 14.59 × 59 =
15. 15.57 × 56 =
16. 16.73 × 73 =
17. 17.494 × 491 =
18. 18.23 × 24 =
19. 19.402 × 406 =
20. 20.504 × 503 =
21. 21.408 × 408 =
22. 22.62 × 64 =
23. 23.492 × 497 =
24. 24.502 × 503 =
25. 25.41 × 44 =
26. 26.592 × 592 =
27. 27.392 × 398 =
28. 28.58 × 58 =
29. 29.304 × 307 =
30. 30.493 × 494 =
31. 31.92 × 93 =
32. 32.53 × 51 =
33. 33.197 × 194 =
34. 34.69 × 69 =
35. 35.199 × 195 =
36. 36.79 × 78 =
37. 37.38 × 39 =
38. 38.67 × 67 =
39. 39.598 × 597 =
40. 40.303 × 308 =

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