Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 763 · 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. 1.31 × 32 =
2. 2.69 × 69 =
3. 3.308 × 307 =
4. 4.67 × 69 =
5. 5.88 × 88 =
6. 6.38 × 39 =
7. 7.51 × 53 =
8. 8.74 × 71 =
9. 9.502 × 505 =
10. 10.56 × 56 =
11. 11.598 × 598 =
12. 12.93 × 93 =
13. 13.503 × 502 =
14. 14.502 × 508 =
15. 15.32 × 32 =
16. 16.204 × 205 =
17. 17.19 × 17 =
18. 18.37 × 37 =
19. 19.29 × 29 =
20. 20.193 × 198 =
21. 21.597 × 592 =
22. 22.393 × 396 =
23. 23.59 × 58 =
24. 24.44 × 43 =
25. 25.33 × 31 =
26. 26.33 × 32 =
27. 27.82 × 82 =
28. 28.17 × 16 =
29. 29.591 × 597 =
30. 30.403 × 404 =
31. 31.19 × 17 =
32. 32.46 × 48 =
33. 33.293 × 297 =
34. 34.46 × 48 =
35. 35.36 × 39 =
36. 36.604 × 602 =
37. 37.294 × 291 =
38. 38.595 × 599 =
39. 39.41 × 41 =
40. 40.78 × 79 =

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