Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 726 · 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. 1.88 × 86 =
2. 2.27 × 29 =
3. 3.209 × 201 =
4. 4.209 × 201 =
5. 5.27 × 29 =
6. 6.27 × 27 =
7. 7.206 × 203 =
8. 8.204 × 205 =
9. 9.93 × 94 =
10. 10.26 × 27 =
11. 11.81 × 81 =
12. 12.509 × 506 =
13. 13.607 × 607 =
14. 14.59 × 59 =
15. 15.87 × 89 =
16. 16.49 × 48 =
17. 17.51 × 54 =
18. 18.192 × 196 =
19. 19.91 × 91 =
20. 20.52 × 52 =
21. 21.404 × 404 =
22. 22.39 × 36 =
23. 23.603 × 609 =
24. 24.44 × 44 =
25. 25.69 × 67 =
26. 26.604 × 608 =
27. 27.291 × 298 =
28. 28.21 × 24 =
29. 29.498 × 499 =
30. 30.89 × 88 =
31. 31.81 × 82 =
32. 32.609 × 607 =
33. 33.492 × 493 =
34. 34.196 × 193 =
35. 35.41 × 44 =
36. 36.305 × 307 =
37. 37.74 × 72 =
38. 38.199 × 198 =
39. 39.72 × 71 =
40. 40.46 × 48 =

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