Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 809 · 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. 1.27 × 27 =
2. 2.403 × 406 =
3. 3.394 × 392 =
4. 4.596 × 599 =
5. 5.16 × 16 =
6. 6.89 × 88 =
7. 7.18 × 17 =
8. 8.201 × 207 =
9. 9.41 × 42 =
10. 10.291 × 297 =
11. 11.196 × 193 =
12. 12.606 × 601 =
13. 13.306 × 303 =
14. 14.508 × 508 =
15. 15.36 × 38 =
16. 16.39 × 37 =
17. 17.84 × 82 =
18. 18.598 × 597 =
19. 19.83 × 83 =
20. 20.399 × 391 =
21. 21.59 × 56 =
22. 22.37 × 37 =
23. 23.62 × 63 =
24. 24.38 × 38 =
25. 25.19 × 18 =
26. 26.302 × 307 =
27. 27.24 × 23 =
28. 28.86 × 89 =
29. 29.308 × 309 =
30. 30.62 × 62 =
31. 31.299 × 298 =
32. 32.63 × 61 =
33. 33.67 × 66 =
34. 34.37 × 38 =
35. 35.56 × 58 =
36. 36.492 × 491 =
37. 37.203 × 203 =
38. 38.39 × 37 =
39. 39.31 × 31 =
40. 40.291 × 292 =

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