Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 965 · 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. 1.501 × 501 =
2. 2.192 × 198 =
3. 3.61 × 62 =
4. 4.46 × 47 =
5. 5.397 × 395 =
6. 6.598 × 596 =
7. 7.82 × 81 =
8. 8.74 × 71 =
9. 9.66 × 68 =
10. 10.37 × 39 =
11. 11.505 × 503 =
12. 12.191 × 196 =
13. 13.501 × 504 =
14. 14.39 × 37 =
15. 15.201 × 204 =
16. 16.68 × 66 =
17. 17.31 × 31 =
18. 18.205 × 202 =
19. 19.302 × 302 =
20. 20.41 × 41 =
21. 21.307 × 306 =
22. 22.39 × 36 =
23. 23.296 × 296 =
24. 24.606 × 609 =
25. 25.26 × 28 =
26. 26.301 × 301 =
27. 27.503 × 503 =
28. 28.499 × 492 =
29. 29.16 × 18 =
30. 30.52 × 54 =
31. 31.73 × 71 =
32. 32.21 × 22 =
33. 33.31 × 32 =
34. 34.296 × 299 =
35. 35.69 × 67 =
36. 36.499 × 494 =
37. 37.29 × 28 =
38. 38.296 × 295 =
39. 39.303 × 302 =
40. 40.24 × 21 =

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