Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 431 · 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. 1.495 × 495 =
2. 2.199 × 195 =
3. 3.19 × 17 =
4. 4.297 × 298 =
5. 5.78 × 76 =
6. 6.296 × 291 =
7. 7.54 × 52 =
8. 8.304 × 307 =
9. 9.306 × 302 =
10. 10.28 × 26 =
11. 11.202 × 208 =
12. 12.608 × 604 =
13. 13.56 × 59 =
14. 14.596 × 599 =
15. 15.302 × 303 =
16. 16.398 × 394 =
17. 17.94 × 92 =
18. 18.194 × 199 =
19. 19.608 × 603 =
20. 20.298 × 293 =
21. 21.91 × 91 =
22. 22.73 × 73 =
23. 23.194 × 194 =
24. 24.47 × 49 =
25. 25.397 × 399 =
26. 26.42 × 41 =
27. 27.305 × 303 =
28. 28.504 × 503 =
29. 29.507 × 502 =
30. 30.79 × 76 =
31. 31.38 × 39 =
32. 32.52 × 51 =
33. 33.78 × 79 =
34. 34.499 × 499 =
35. 35.24 × 24 =
36. 36.407 × 402 =
37. 37.84 × 84 =
38. 38.76 × 77 =
39. 39.51 × 52 =
40. 40.39 × 36 =

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