Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 727 · 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. 1.192 × 197 =
2. 2.399 × 394 =
3. 3.89 × 87 =
4. 4.594 × 591 =
5. 5.74 × 72 =
6. 6.405 × 406 =
7. 7.505 × 508 =
8. 8.93 × 94 =
9. 9.196 × 191 =
10. 10.68 × 69 =
11. 11.22 × 23 =
12. 12.202 × 203 =
13. 13.298 × 296 =
14. 14.297 × 294 =
15. 15.94 × 94 =
16. 16.39 × 39 =
17. 17.87 × 87 =
18. 18.595 × 597 =
19. 19.37 × 36 =
20. 20.306 × 301 =
21. 21.191 × 198 =
22. 22.87 × 88 =
23. 23.208 × 202 =
24. 24.48 × 47 =
25. 25.22 × 22 =
26. 26.197 × 196 =
27. 27.61 × 64 =
28. 28.597 × 595 =
29. 29.79 × 76 =
30. 30.297 × 291 =
31. 31.48 × 47 =
32. 32.501 × 502 =
33. 33.501 × 502 =
34. 34.57 × 57 =
35. 35.39 × 39 =
36. 36.56 × 56 =
37. 37.207 × 203 =
38. 38.16 × 19 =
39. 39.37 × 38 =
40. 40.601 × 601 =

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