Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 544 · 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. 1.62 × 63 =
2. 2.602 × 608 =
3. 3.73 × 73 =
4. 4.39 × 39 =
5. 5.402 × 406 =
6. 6.82 × 84 =
7. 7.201 × 205 =
8. 8.49 × 47 =
9. 9.397 × 397 =
10. 10.69 × 69 =
11. 11.54 × 51 =
12. 12.82 × 82 =
13. 13.194 × 195 =
14. 14.597 × 595 =
15. 15.19 × 17 =
16. 16.29 × 29 =
17. 17.74 × 72 =
18. 18.21 × 22 =
19. 19.591 × 596 =
20. 20.493 × 498 =
21. 21.88 × 88 =
22. 22.88 × 86 =
23. 23.292 × 299 =
24. 24.404 × 401 =
25. 25.295 × 296 =
26. 26.57 × 59 =
27. 27.29 × 26 =
28. 28.16 × 16 =
29. 29.195 × 199 =
30. 30.62 × 62 =
31. 31.391 × 397 =
32. 32.596 × 598 =
33. 33.17 × 18 =
34. 34.198 × 193 =
35. 35.208 × 209 =
36. 36.198 × 197 =
37. 37.26 × 26 =
38. 38.62 × 62 =
39. 39.505 × 506 =
40. 40.391 × 393 =

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