Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 95 · 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. 1.61 × 61 =
2. 2.396 × 393 =
3. 3.295 × 294 =
4. 4.78 × 78 =
5. 5.62 × 61 =
6. 6.204 × 206 =
7. 7.72 × 72 =
8. 8.52 × 54 =
9. 9.301 × 307 =
10. 10.28 × 29 =
11. 11.34 × 34 =
12. 12.89 × 88 =
13. 13.201 × 202 =
14. 14.21 × 24 =
15. 15.509 × 506 =
16. 16.397 × 398 =
17. 17.69 × 68 =
18. 18.54 × 54 =
19. 19.93 × 91 =
20. 20.29 × 29 =
21. 21.88 × 89 =
22. 22.206 × 209 =
23. 23.83 × 84 =
24. 24.605 × 603 =
25. 25.86 × 89 =
26. 26.18 × 19 =
27. 27.497 × 491 =
28. 28.39 × 37 =
29. 29.598 × 594 =
30. 30.201 × 208 =
31. 31.595 × 596 =
32. 32.595 × 593 =
33. 33.307 × 301 =
34. 34.89 × 88 =
35. 35.308 × 304 =
36. 36.21 × 22 =
37. 37.294 × 296 =
38. 38.79 × 76 =
39. 39.51 × 52 =
40. 40.78 × 79 =

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