Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 937 · 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. 1.76 × 78 =
2. 2.392 × 399 =
3. 3.293 × 292 =
4. 4.56 × 57 =
5. 5.18 × 19 =
6. 6.26 × 26 =
7. 7.49 × 47 =
8. 8.43 × 44 =
9. 9.63 × 64 =
10. 10.73 × 73 =
11. 11.392 × 399 =
12. 12.398 × 399 =
13. 13.81 × 82 =
14. 14.92 × 92 =
15. 15.36 × 39 =
16. 16.34 × 32 =
17. 17.309 × 304 =
18. 18.301 × 306 =
19. 19.31 × 34 =
20. 20.28 × 28 =
21. 21.207 × 203 =
22. 22.203 × 204 =
23. 23.33 × 31 =
24. 24.71 × 72 =
25. 25.89 × 87 =
26. 26.82 × 82 =
27. 27.595 × 596 =
28. 28.71 × 72 =
29. 29.302 × 305 =
30. 30.205 × 205 =
31. 31.63 × 62 =
32. 32.41 × 41 =
33. 33.492 × 492 =
34. 34.191 × 192 =
35. 35.394 × 391 =
36. 36.609 × 606 =
37. 37.34 × 33 =
38. 38.73 × 73 =
39. 39.56 × 57 =
40. 40.602 × 609 =

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