Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 652 · 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. 1.57 × 58 =
2. 2.291 × 295 =
3. 3.21 × 22 =
4. 4.296 × 299 =
5. 5.91 × 92 =
6. 6.49 × 48 =
7. 7.36 × 38 =
8. 8.91 × 93 =
9. 9.601 × 601 =
10. 10.505 × 501 =
11. 11.291 × 291 =
12. 12.407 × 403 =
13. 13.84 × 82 =
14. 14.197 × 192 =
15. 15.399 × 397 =
16. 16.68 × 69 =
17. 17.76 × 79 =
18. 18.27 × 27 =
19. 19.308 × 307 =
20. 20.599 × 591 =
21. 21.509 × 503 =
22. 22.491 × 497 =
23. 23.292 × 293 =
24. 24.607 × 607 =
25. 25.31 × 34 =
26. 26.59 × 58 =
27. 27.203 × 203 =
28. 28.29 × 27 =
29. 29.301 × 302 =
30. 30.43 × 44 =
31. 31.19 × 17 =
32. 32.591 × 592 =
33. 33.81 × 83 =
34. 34.29 × 27 =
35. 35.606 × 604 =
36. 36.592 × 592 =
37. 37.47 × 46 =
38. 38.57 × 59 =
39. 39.24 × 24 =
40. 40.198 × 197 =

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