Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 636 · 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. 1.306 × 306 =
2. 2.93 × 91 =
3. 3.83 × 83 =
4. 4.43 × 42 =
5. 5.505 × 501 =
6. 6.47 × 49 =
7. 7.596 × 595 =
8. 8.499 × 498 =
9. 9.43 × 42 =
10. 10.29 × 28 =
11. 11.44 × 43 =
12. 12.409 × 405 =
13. 13.56 × 58 =
14. 14.599 × 598 =
15. 15.494 × 492 =
16. 16.33 × 34 =
17. 17.73 × 71 =
18. 18.396 × 399 =
19. 19.199 × 194 =
20. 20.61 × 62 =
21. 21.41 × 42 =
22. 22.89 × 89 =
23. 23.31 × 34 =
24. 24.36 × 39 =
25. 25.204 × 204 =
26. 26.393 × 394 =
27. 27.509 × 501 =
28. 28.392 × 393 =
29. 29.591 × 591 =
30. 30.599 × 593 =
31. 31.292 × 299 =
32. 32.26 × 27 =
33. 33.208 × 203 =
34. 34.77 × 76 =
35. 35.56 × 56 =
36. 36.83 × 82 =
37. 37.51 × 51 =
38. 38.47 × 49 =
39. 39.496 × 491 =
40. 40.63 × 64 =

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