Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 549 · 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. 2.64 × 63 =
3. 3.33 × 31 =
4. 4.295 × 295 =
5. 5.71 × 71 =
6. 6.295 × 299 =
7. 7.504 × 507 =
8. 8.407 × 403 =
9. 9.53 × 53 =
10. 10.29 × 27 =
11. 11.71 × 72 =
12. 12.297 × 292 =
13. 13.44 × 42 =
14. 14.58 × 59 =
15. 15.38 × 37 =
16. 16.592 × 596 =
17. 17.502 × 502 =
18. 18.391 × 391 =
19. 19.83 × 84 =
20. 20.399 × 394 =
21. 21.82 × 82 =
22. 22.395 × 399 =
23. 23.88 × 86 =
24. 24.51 × 51 =
25. 25.52 × 53 =
26. 26.72 × 71 =
27. 27.93 × 92 =
28. 28.199 × 198 =
29. 29.43 × 44 =
30. 30.46 × 47 =
31. 31.22 × 24 =
32. 32.593 × 599 =
33. 33.197 × 198 =
34. 34.497 × 499 =
35. 35.23 × 24 =
36. 36.21 × 22 =
37. 37.498 × 499 =
38. 38.87 × 88 =
39. 39.608 × 609 =
40. 40.498 × 492 =

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