Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 769 · 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. 1.394 × 398 =
2. 2.209 × 201 =
3. 3.307 × 301 =
4. 4.42 × 42 =
5. 5.48 × 49 =
6. 6.202 × 207 =
7. 7.601 × 602 =
8. 8.91 × 93 =
9. 9.58 × 57 =
10. 10.293 × 291 =
11. 11.306 × 306 =
12. 12.58 × 59 =
13. 13.92 × 94 =
14. 14.77 × 78 =
15. 15.491 × 499 =
16. 16.93 × 91 =
17. 17.408 × 405 =
18. 18.34 × 33 =
19. 19.494 × 496 =
20. 20.505 × 507 =
21. 21.593 × 597 =
22. 22.408 × 408 =
23. 23.496 × 492 =
24. 24.77 × 77 =
25. 25.404 × 404 =
26. 26.48 × 49 =
27. 27.597 × 599 =
28. 28.56 × 57 =
29. 29.47 × 47 =
30. 30.31 × 34 =
31. 31.34 × 32 =
32. 32.64 × 63 =
33. 33.505 × 506 =
34. 34.305 × 301 =
35. 35.191 × 196 =
36. 36.291 × 291 =
37. 37.292 × 299 =
38. 38.56 × 58 =
39. 39.298 × 299 =
40. 40.196 × 198 =

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