Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 323 · 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. 1.37 × 37 =
2. 2.199 × 191 =
3. 3.91 × 92 =
4. 4.599 × 592 =
5. 5.298 × 295 =
6. 6.53 × 51 =
7. 7.491 × 496 =
8. 8.33 × 31 =
9. 9.53 × 51 =
10. 10.207 × 209 =
11. 11.48 × 49 =
12. 12.36 × 38 =
13. 13.77 × 78 =
14. 14.308 × 304 =
15. 15.22 × 23 =
16. 16.93 × 92 =
17. 17.603 × 607 =
18. 18.57 × 58 =
19. 19.72 × 74 =
20. 20.46 × 46 =
21. 21.26 × 28 =
22. 22.21 × 21 =
23. 23.71 × 74 =
24. 24.61 × 64 =
25. 25.39 × 39 =
26. 26.296 × 295 =
27. 27.26 × 26 =
28. 28.63 × 61 =
29. 29.87 × 88 =
30. 30.196 × 192 =
31. 31.205 × 202 =
32. 32.605 × 601 =
33. 33.18 × 17 =
34. 34.405 × 407 =
35. 35.195 × 191 =
36. 36.191 × 192 =
37. 37.49 × 49 =
38. 38.68 × 69 =
39. 39.48 × 49 =
40. 40.36 × 39 =

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