Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 205 · 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. 1.34 × 34 =
2. 2.33 × 32 =
3. 3.28 × 26 =
4. 4.82 × 84 =
5. 5.29 × 28 =
6. 6.31 × 33 =
7. 7.48 × 47 =
8. 8.497 × 491 =
9. 9.609 × 604 =
10. 10.207 × 202 =
11. 11.44 × 43 =
12. 12.36 × 39 =
13. 13.307 × 305 =
14. 14.41 × 42 =
15. 15.87 × 89 =
16. 16.395 × 396 =
17. 17.27 × 27 =
18. 18.393 × 393 =
19. 19.397 × 393 =
20. 20.36 × 37 =
21. 21.495 × 497 =
22. 22.401 × 402 =
23. 23.494 × 491 =
24. 24.203 × 202 =
25. 25.605 × 602 =
26. 26.204 × 208 =
27. 27.66 × 66 =
28. 28.18 × 17 =
29. 29.309 × 304 =
30. 30.404 × 404 =
31. 31.396 × 399 =
32. 32.21 × 24 =
33. 33.68 × 67 =
34. 34.26 × 26 =
35. 35.81 × 81 =
36. 36.39 × 37 =
37. 37.502 × 505 =
38. 38.206 × 205 =
39. 39.496 × 493 =
40. 40.596 × 598 =

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