Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 227 · 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. 1.17 × 17 =
2. 2.594 × 598 =
3. 3.16 × 16 =
4. 4.79 × 76 =
5. 5.21 × 21 =
6. 6.495 × 499 =
7. 7.74 × 73 =
8. 8.57 × 57 =
9. 9.206 × 206 =
10. 10.592 × 599 =
11. 11.71 × 72 =
12. 12.17 × 18 =
13. 13.87 × 88 =
14. 14.82 × 83 =
15. 15.56 × 59 =
16. 16.199 × 198 =
17. 17.603 × 606 =
18. 18.194 × 191 =
19. 19.22 × 21 =
20. 20.392 × 393 =
21. 21.305 × 302 =
22. 22.308 × 306 =
23. 23.78 × 78 =
24. 24.29 × 29 =
25. 25.59 × 59 =
26. 26.79 × 77 =
27. 27.392 × 396 =
28. 28.72 × 74 =
29. 29.16 × 18 =
30. 30.26 × 26 =
31. 31.22 × 23 =
32. 32.191 × 199 =
33. 33.205 × 208 =
34. 34.42 × 42 =
35. 35.24 × 22 =
36. 36.91 × 92 =
37. 37.32 × 31 =
38. 38.87 × 88 =
39. 39.591 × 593 =
40. 40.43 × 43 =

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