Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 654 · 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 × 32 =
2. 2.47 × 46 =
3. 3.203 × 208 =
4. 4.19 × 17 =
5. 5.502 × 507 =
6. 6.294 × 295 =
7. 7.201 × 205 =
8. 8.24 × 24 =
9. 9.47 × 47 =
10. 10.305 × 302 =
11. 11.394 × 392 =
12. 12.399 × 396 =
13. 13.71 × 72 =
14. 14.61 × 61 =
15. 15.202 × 204 =
16. 16.24 × 22 =
17. 17.18 × 16 =
18. 18.47 × 46 =
19. 19.491 × 493 =
20. 20.208 × 208 =
21. 21.292 × 295 =
22. 22.197 × 196 =
23. 23.72 × 71 =
24. 24.24 × 23 =
25. 25.403 × 401 =
26. 26.198 × 196 =
27. 27.493 × 499 =
28. 28.398 × 391 =
29. 29.196 × 195 =
30. 30.36 × 39 =
31. 31.83 × 81 =
32. 32.607 × 603 =
33. 33.81 × 82 =
34. 34.27 × 26 =
35. 35.46 × 46 =
36. 36.395 × 397 =
37. 37.68 × 68 =
38. 38.49 × 48 =
39. 39.68 × 67 =
40. 40.67 × 67 =

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