Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 365 · 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. 1.201 × 201 =
2. 2.29 × 29 =
3. 3.199 × 193 =
4. 4.409 × 409 =
5. 5.73 × 72 =
6. 6.198 × 198 =
7. 7.62 × 61 =
8. 8.53 × 52 =
9. 9.78 × 79 =
10. 10.16 × 18 =
11. 11.193 × 194 =
12. 12.199 × 198 =
13. 13.78 × 79 =
14. 14.202 × 201 =
15. 15.48 × 49 =
16. 16.196 × 196 =
17. 17.593 × 594 =
18. 18.305 × 307 =
19. 19.22 × 21 =
20. 20.88 × 87 =
21. 21.504 × 502 =
22. 22.27 × 28 =
23. 23.46 × 46 =
24. 24.299 × 292 =
25. 25.58 × 59 =
26. 26.59 × 59 =
27. 27.403 × 404 =
28. 28.398 × 393 =
29. 29.393 × 396 =
30. 30.38 × 36 =
31. 31.31 × 32 =
32. 32.408 × 403 =
33. 33.34 × 33 =
34. 34.16 × 19 =
35. 35.29 × 29 =
36. 36.34 × 31 =
37. 37.29 × 28 =
38. 38.195 × 193 =
39. 39.598 × 592 =
40. 40.54 × 52 =

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