Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 950 · 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. 1.308 × 302 =
2. 2.77 × 77 =
3. 3.197 × 197 =
4. 4.91 × 93 =
5. 5.62 × 62 =
6. 6.81 × 81 =
7. 7.67 × 67 =
8. 8.203 × 209 =
9. 9.37 × 37 =
10. 10.72 × 74 =
11. 11.76 × 76 =
12. 12.294 × 296 =
13. 13.497 × 493 =
14. 14.47 × 49 =
15. 15.502 × 508 =
16. 16.303 × 308 =
17. 17.53 × 54 =
18. 18.499 × 491 =
19. 19.591 × 594 =
20. 20.31 × 34 =
21. 21.301 × 304 =
22. 22.294 × 291 =
23. 23.23 × 22 =
24. 24.91 × 92 =
25. 25.63 × 64 =
26. 26.16 × 18 =
27. 27.66 × 69 =
28. 28.608 × 604 =
29. 29.29 × 29 =
30. 30.34 × 32 =
31. 31.591 × 592 =
32. 32.86 × 86 =
33. 33.46 × 49 =
34. 34.296 × 295 =
35. 35.603 × 607 =
36. 36.79 × 79 =
37. 37.92 × 92 =
38. 38.17 × 18 =
39. 39.502 × 501 =
40. 40.82 × 81 =

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