Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 596 · 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. 1.405 × 404 =
2. 2.305 × 303 =
3. 3.299 × 296 =
4. 4.292 × 299 =
5. 5.32 × 31 =
6. 6.29 × 29 =
7. 7.408 × 408 =
8. 8.49 × 46 =
9. 9.398 × 396 =
10. 10.492 × 495 =
11. 11.195 × 198 =
12. 12.591 × 596 =
13. 13.43 × 41 =
14. 14.53 × 51 =
15. 15.31 × 32 =
16. 16.37 × 39 =
17. 17.503 × 501 =
18. 18.309 × 302 =
19. 19.88 × 87 =
20. 20.34 × 31 =
21. 21.494 × 498 =
22. 22.56 × 59 =
23. 23.53 × 52 =
24. 24.195 × 191 =
25. 25.202 × 203 =
26. 26.18 × 17 =
27. 27.46 × 46 =
28. 28.491 × 495 =
29. 29.41 × 41 =
30. 30.393 × 391 =
31. 31.87 × 89 =
32. 32.84 × 83 =
33. 33.19 × 16 =
34. 34.66 × 69 =
35. 35.202 × 203 =
36. 36.68 × 66 =
37. 37.27 × 26 =
38. 38.62 × 64 =
39. 39.39 × 37 =
40. 40.604 × 604 =

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