Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 957 · 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. 1.37 × 38 =
2. 2.497 × 496 =
3. 3.81 × 82 =
4. 4.89 × 87 =
5. 5.595 × 599 =
6. 6.303 × 309 =
7. 7.63 × 61 =
8. 8.592 × 592 =
9. 9.292 × 295 =
10. 10.403 × 408 =
11. 11.199 × 196 =
12. 12.54 × 53 =
13. 13.605 × 605 =
14. 14.506 × 507 =
15. 15.294 × 298 =
16. 16.27 × 26 =
17. 17.595 × 594 =
18. 18.18 × 16 =
19. 19.505 × 503 =
20. 20.51 × 54 =
21. 21.17 × 18 =
22. 22.18 × 16 =
23. 23.31 × 31 =
24. 24.392 × 397 =
25. 25.506 × 505 =
26. 26.202 × 204 =
27. 27.602 × 608 =
28. 28.399 × 397 =
29. 29.191 × 192 =
30. 30.298 × 293 =
31. 31.297 × 292 =
32. 32.21 × 21 =
33. 33.301 × 306 =
34. 34.56 × 57 =
35. 35.66 × 66 =
36. 36.301 × 307 =
37. 37.304 × 308 =
38. 38.598 × 594 =
39. 39.89 × 87 =
40. 40.64 × 64 =

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