Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 190 · 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. 1.42 × 41 =
2. 2.508 × 509 =
3. 3.503 × 503 =
4. 4.503 × 509 =
5. 5.302 × 309 =
6. 6.402 × 405 =
7. 7.399 × 396 =
8. 8.19 × 18 =
9. 9.492 × 491 =
10. 10.81 × 83 =
11. 11.492 × 493 =
12. 12.195 × 194 =
13. 13.19 × 17 =
14. 14.67 × 68 =
15. 15.609 × 601 =
16. 16.24 × 24 =
17. 17.504 × 503 =
18. 18.47 × 46 =
19. 19.598 × 598 =
20. 20.57 × 58 =
21. 21.53 × 53 =
22. 22.297 × 295 =
23. 23.305 × 301 =
24. 24.16 × 16 =
25. 25.198 × 197 =
26. 26.89 × 88 =
27. 27.292 × 298 =
28. 28.28 × 28 =
29. 29.591 × 595 =
30. 30.48 × 47 =
31. 31.199 × 198 =
32. 32.91 × 92 =
33. 33.88 × 89 =
34. 34.595 × 597 =
35. 35.598 × 599 =
36. 36.198 × 196 =
37. 37.498 × 496 =
38. 38.597 × 597 =
39. 39.595 × 596 =
40. 40.599 × 595 =

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