Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 271 · 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. 1.92 × 91 =
2. 2.398 × 391 =
3. 3.603 × 601 =
4. 4.401 × 403 =
5. 5.396 × 394 =
6. 6.61 × 63 =
7. 7.191 × 199 =
8. 8.198 × 197 =
9. 9.299 × 298 =
10. 10.593 × 591 =
11. 11.74 × 74 =
12. 12.592 × 598 =
13. 13.29 × 27 =
14. 14.46 × 46 =
15. 15.397 × 399 =
16. 16.22 × 24 =
17. 17.88 × 87 =
18. 18.34 × 32 =
19. 19.509 × 506 =
20. 20.16 × 18 =
21. 21.41 × 44 =
22. 22.21 × 21 =
23. 23.36 × 38 =
24. 24.76 × 78 =
25. 25.69 × 67 =
26. 26.21 × 23 =
27. 27.16 × 16 =
28. 28.61 × 61 =
29. 29.41 × 44 =
30. 30.207 × 205 =
31. 31.299 × 294 =
32. 32.77 × 79 =
33. 33.79 × 78 =
34. 34.507 × 507 =
35. 35.18 × 17 =
36. 36.599 × 598 =
37. 37.297 × 295 =
38. 38.77 × 76 =
39. 39.68 × 69 =
40. 40.43 × 43 =

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