Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 994 · 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. 1.403 × 409 =
2. 2.19 × 16 =
3. 3.391 × 392 =
4. 4.91 × 91 =
5. 5.28 × 28 =
6. 6.495 × 493 =
7. 7.16 × 18 =
8. 8.599 × 597 =
9. 9.604 × 602 =
10. 10.194 × 195 =
11. 11.16 × 19 =
12. 12.603 × 606 =
13. 13.302 × 304 =
14. 14.23 × 23 =
15. 15.492 × 495 =
16. 16.74 × 71 =
17. 17.609 × 603 =
18. 18.83 × 82 =
19. 19.67 × 66 =
20. 20.602 × 601 =
21. 21.592 × 598 =
22. 22.63 × 63 =
23. 23.495 × 496 =
24. 24.308 × 303 =
25. 25.17 × 19 =
26. 26.72 × 72 =
27. 27.89 × 89 =
28. 28.295 × 294 =
29. 29.398 × 398 =
30. 30.397 × 394 =
31. 31.82 × 81 =
32. 32.208 × 209 =
33. 33.292 × 293 =
34. 34.88 × 88 =
35. 35.296 × 293 =
36. 36.604 × 605 =
37. 37.64 × 62 =
38. 38.92 × 94 =
39. 39.61 × 63 =
40. 40.36 × 39 =

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