Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 324 · 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. 1.209 × 201 =
2. 2.33 × 33 =
3. 3.54 × 51 =
4. 4.83 × 82 =
5. 5.191 × 199 =
6. 6.89 × 86 =
7. 7.26 × 29 =
8. 8.94 × 93 =
9. 9.499 × 496 =
10. 10.399 × 393 =
11. 11.301 × 303 =
12. 12.394 × 394 =
13. 13.71 × 71 =
14. 14.56 × 57 =
15. 15.196 × 192 =
16. 16.293 × 292 =
17. 17.597 × 598 =
18. 18.82 × 82 =
19. 19.44 × 42 =
20. 20.23 × 22 =
21. 21.29 × 28 =
22. 22.392 × 397 =
23. 23.394 × 394 =
24. 24.78 × 78 =
25. 25.505 × 501 =
26. 26.496 × 497 =
27. 27.81 × 81 =
28. 28.507 × 503 =
29. 29.41 × 42 =
30. 30.295 × 299 =
31. 31.34 × 33 =
32. 32.39 × 37 =
33. 33.74 × 73 =
34. 34.82 × 82 =
35. 35.34 × 31 =
36. 36.67 × 67 =
37. 37.68 × 67 =
38. 38.392 × 397 =
39. 39.307 × 301 =
40. 40.201 × 204 =

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