Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 761 · 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. 1.202 × 206 =
2. 2.392 × 392 =
3. 3.607 × 609 =
4. 4.67 × 66 =
5. 5.32 × 33 =
6. 6.397 × 399 =
7. 7.72 × 72 =
8. 8.207 × 207 =
9. 9.296 × 295 =
10. 10.41 × 42 =
11. 11.502 × 504 =
12. 12.597 × 592 =
13. 13.31 × 34 =
14. 14.297 × 296 =
15. 15.403 × 409 =
16. 16.28 × 27 =
17. 17.18 × 19 =
18. 18.293 × 297 =
19. 19.392 × 395 =
20. 20.407 × 402 =
21. 21.305 × 304 =
22. 22.57 × 59 =
23. 23.606 × 606 =
24. 24.23 × 23 =
25. 25.601 × 602 =
26. 26.78 × 78 =
27. 27.595 × 596 =
28. 28.46 × 48 =
29. 29.409 × 402 =
30. 30.297 × 291 =
31. 31.299 × 296 =
32. 32.605 × 609 =
33. 33.204 × 204 =
34. 34.79 × 78 =
35. 35.24 × 23 =
36. 36.291 × 296 =
37. 37.17 × 17 =
38. 38.79 × 78 =
39. 39.19 × 17 =
40. 40.48 × 46 =

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