Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 302 · 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. 1.33 × 34 =
2. 2.89 × 89 =
3. 3.37 × 38 =
4. 4.301 × 302 =
5. 5.36 × 37 =
6. 6.199 × 191 =
7. 7.64 × 64 =
8. 8.495 × 499 =
9. 9.49 × 48 =
10. 10.26 × 29 =
11. 11.81 × 82 =
12. 12.191 × 195 =
13. 13.599 × 598 =
14. 14.591 × 591 =
15. 15.22 × 21 =
16. 16.66 × 66 =
17. 17.32 × 31 =
18. 18.26 × 27 =
19. 19.21 × 22 =
20. 20.91 × 91 =
21. 21.305 × 302 =
22. 22.63 × 64 =
23. 23.42 × 43 =
24. 24.394 × 392 =
25. 25.17 × 18 =
26. 26.498 × 491 =
27. 27.29 × 29 =
28. 28.592 × 592 =
29. 29.405 × 403 =
30. 30.68 × 69 =
31. 31.498 × 496 =
32. 32.28 × 26 =
33. 33.503 × 507 =
34. 34.291 × 299 =
35. 35.18 × 19 =
36. 36.293 × 297 =
37. 37.393 × 393 =
38. 38.71 × 73 =
39. 39.53 × 54 =
40. 40.72 × 71 =

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