Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 824 · 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. 1.396 × 399 =
2. 2.598 × 599 =
3. 3.203 × 204 =
4. 4.24 × 21 =
5. 5.47 × 49 =
6. 6.24 × 24 =
7. 7.77 × 76 =
8. 8.89 × 89 =
9. 9.201 × 202 =
10. 10.199 × 199 =
11. 11.94 × 94 =
12. 12.497 × 493 =
13. 13.195 × 198 =
14. 14.405 × 408 =
15. 15.84 × 81 =
16. 16.81 × 83 =
17. 17.94 × 91 =
18. 18.499 × 495 =
19. 19.399 × 393 =
20. 20.82 × 84 =
21. 21.77 × 76 =
22. 22.43 × 41 =
23. 23.606 × 605 =
24. 24.67 × 66 =
25. 25.494 × 491 =
26. 26.82 × 83 =
27. 27.29 × 28 =
28. 28.82 × 84 =
29. 29.393 × 396 =
30. 30.91 × 92 =
31. 31.87 × 87 =
32. 32.49 × 49 =
33. 33.306 × 305 =
34. 34.31 × 31 =
35. 35.609 × 601 =
36. 36.398 × 397 =
37. 37.596 × 595 =
38. 38.497 × 497 =
39. 39.301 × 304 =
40. 40.202 × 202 =

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