Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 566 · 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. 1.93 × 94 =
2. 2.597 × 598 =
3. 3.506 × 503 =
4. 4.83 × 83 =
5. 5.62 × 64 =
6. 6.499 × 493 =
7. 7.17 × 16 =
8. 8.83 × 81 =
9. 9.402 × 405 =
10. 10.29 × 29 =
11. 11.498 × 495 =
12. 12.294 × 292 =
13. 13.83 × 82 =
14. 14.498 × 491 =
15. 15.39 × 38 =
16. 16.74 × 72 =
17. 17.19 × 19 =
18. 18.598 × 593 =
19. 19.194 × 194 =
20. 20.591 × 597 =
21. 21.54 × 53 =
22. 22.51 × 54 =
23. 23.88 × 86 =
24. 24.503 × 505 =
25. 25.202 × 202 =
26. 26.297 × 295 =
27. 27.38 × 37 =
28. 28.497 × 495 =
29. 29.32 × 34 =
30. 30.23 × 23 =
31. 31.69 × 67 =
32. 32.38 × 39 =
33. 33.92 × 93 =
34. 34.63 × 64 =
35. 35.74 × 72 =
36. 36.67 × 66 =
37. 37.292 × 291 =
38. 38.395 × 397 =
39. 39.392 × 393 =
40. 40.84 × 82 =

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