Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 349 · 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. 1.504 × 506 =
2. 2.395 × 393 =
3. 3.601 × 608 =
4. 4.27 × 27 =
5. 5.607 × 607 =
6. 6.593 × 598 =
7. 7.38 × 38 =
8. 8.29 × 29 =
9. 9.17 × 17 =
10. 10.591 × 594 =
11. 11.599 × 591 =
12. 12.84 × 82 =
13. 13.202 × 209 =
14. 14.598 × 598 =
15. 15.38 × 37 =
16. 16.69 × 69 =
17. 17.56 × 59 =
18. 18.598 × 596 =
19. 19.57 × 56 =
20. 20.391 × 398 =
21. 21.24 × 22 =
22. 22.398 × 393 =
23. 23.205 × 205 =
24. 24.69 × 69 =
25. 25.53 × 51 =
26. 26.505 × 507 =
27. 27.391 × 393 =
28. 28.309 × 301 =
29. 29.36 × 36 =
30. 30.51 × 51 =
31. 31.69 × 69 =
32. 32.73 × 74 =
33. 33.494 × 495 =
34. 34.299 × 297 =
35. 35.493 × 491 =
36. 36.64 × 63 =
37. 37.49 × 48 =
38. 38.594 × 597 =
39. 39.402 × 407 =
40. 40.294 × 294 =

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