Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 342 · 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. 1.209 × 209 =
2. 2.48 × 47 =
3. 3.27 × 26 =
4. 4.68 × 69 =
5. 5.26 × 29 =
6. 6.29 × 27 =
7. 7.36 × 36 =
8. 8.59 × 58 =
9. 9.203 × 203 =
10. 10.304 × 301 =
11. 11.293 × 296 =
12. 12.59 × 57 =
13. 13.599 × 595 =
14. 14.79 × 78 =
15. 15.37 × 38 =
16. 16.29 × 29 =
17. 17.41 × 41 =
18. 18.42 × 41 =
19. 19.28 × 28 =
20. 20.94 × 92 =
21. 21.91 × 91 =
22. 22.506 × 507 =
23. 23.37 × 36 =
24. 24.303 × 302 =
25. 25.54 × 53 =
26. 26.598 × 593 =
27. 27.307 × 307 =
28. 28.498 × 499 =
29. 29.88 × 86 =
30. 30.38 × 39 =
31. 31.21 × 23 =
32. 32.604 × 609 =
33. 33.64 × 61 =
34. 34.64 × 61 =
35. 35.206 × 204 =
36. 36.94 × 91 =
37. 37.191 × 194 =
38. 38.51 × 54 =
39. 39.205 × 203 =
40. 40.76 × 78 =

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