Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 641 · 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. 1.59 × 56 =
2. 2.404 × 406 =
3. 3.51 × 51 =
4. 4.506 × 509 =
5. 5.509 × 502 =
6. 6.54 × 51 =
7. 7.509 × 502 =
8. 8.51 × 51 =
9. 9.302 × 309 =
10. 10.293 × 296 =
11. 11.299 × 299 =
12. 12.16 × 19 =
13. 13.596 × 597 =
14. 14.402 × 409 =
15. 15.18 × 18 =
16. 16.44 × 44 =
17. 17.192 × 193 =
18. 18.206 × 207 =
19. 19.29 × 27 =
20. 20.204 × 208 =
21. 21.83 × 82 =
22. 22.603 × 602 =
23. 23.296 × 297 =
24. 24.29 × 28 =
25. 25.18 × 16 =
26. 26.32 × 33 =
27. 27.295 × 293 =
28. 28.194 × 194 =
29. 29.16 × 18 =
30. 30.31 × 32 =
31. 31.593 × 591 =
32. 32.407 × 404 =
33. 33.37 × 37 =
34. 34.83 × 82 =
35. 35.398 × 396 =
36. 36.16 × 19 =
37. 37.606 × 609 =
38. 38.69 × 66 =
39. 39.508 × 501 =
40. 40.509 × 503 =

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