Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 59 · 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 × 209 =
2. 2.29 × 26 =
3. 3.22 × 24 =
4. 4.603 × 606 =
5. 5.51 × 53 =
6. 6.401 × 401 =
7. 7.296 × 299 =
8. 8.27 × 26 =
9. 9.199 × 197 =
10. 10.94 × 91 =
11. 11.196 × 191 =
12. 12.52 × 53 =
13. 13.394 × 395 =
14. 14.501 × 503 =
15. 15.27 × 27 =
16. 16.21 × 24 =
17. 17.46 × 49 =
18. 18.79 × 78 =
19. 19.54 × 52 =
20. 20.292 × 298 =
21. 21.48 × 49 =
22. 22.295 × 291 =
23. 23.31 × 33 =
24. 24.18 × 18 =
25. 25.404 × 403 =
26. 26.33 × 32 =
27. 27.26 × 28 =
28. 28.47 × 48 =
29. 29.294 × 292 =
30. 30.499 × 493 =
31. 31.591 × 592 =
32. 32.399 × 398 =
33. 33.86 × 86 =
34. 34.403 × 402 =
35. 35.192 × 193 =
36. 36.71 × 72 =
37. 37.39 × 39 =
38. 38.42 × 41 =
39. 39.295 × 299 =
40. 40.503 × 509 =

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