Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 104 · 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. 1.84 × 83 =
2. 2.51 × 54 =
3. 3.29 × 29 =
4. 4.207 × 201 =
5. 5.203 × 208 =
6. 6.19 × 17 =
7. 7.47 × 48 =
8. 8.28 × 26 =
9. 9.28 × 27 =
10. 10.26 × 26 =
11. 11.297 × 292 =
12. 12.203 × 202 =
13. 13.21 × 22 =
14. 14.299 × 299 =
15. 15.593 × 597 =
16. 16.38 × 36 =
17. 17.83 × 83 =
18. 18.493 × 496 =
19. 19.29 × 28 =
20. 20.508 × 503 =
21. 21.498 × 495 =
22. 22.26 × 29 =
23. 23.509 × 502 =
24. 24.296 × 296 =
25. 25.598 × 599 =
26. 26.27 × 27 =
27. 27.207 × 206 =
28. 28.48 × 48 =
29. 29.305 × 304 =
30. 30.594 × 591 =
31. 31.398 × 394 =
32. 32.77 × 79 =
33. 33.76 × 76 =
34. 34.18 × 16 =
35. 35.29 × 27 =
36. 36.49 × 47 =
37. 37.592 × 599 =
38. 38.88 × 89 =
39. 39.29 × 29 =
40. 40.298 × 299 =

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