Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 36 · 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. 1.401 × 401 =
2. 2.89 × 88 =
3. 3.304 × 309 =
4. 4.207 × 208 =
5. 5.205 × 202 =
6. 6.38 × 37 =
7. 7.507 × 503 =
8. 8.32 × 31 =
9. 9.58 × 58 =
10. 10.391 × 397 =
11. 11.66 × 68 =
12. 12.607 × 604 =
13. 13.392 × 398 =
14. 14.393 × 395 =
15. 15.603 × 606 =
16. 16.195 × 195 =
17. 17.299 × 295 =
18. 18.59 × 57 =
19. 19.24 × 24 =
20. 20.29 × 26 =
21. 21.76 × 79 =
22. 22.66 × 68 =
23. 23.23 × 23 =
24. 24.604 × 605 =
25. 25.194 × 196 =
26. 26.307 × 301 =
27. 27.406 × 401 =
28. 28.398 × 399 =
29. 29.23 × 21 =
30. 30.73 × 71 =
31. 31.308 × 307 =
32. 32.36 × 37 =
33. 33.28 × 28 =
34. 34.207 × 204 =
35. 35.42 × 42 =
36. 36.49 × 49 =
37. 37.499 × 493 =
38. 38.398 × 398 =
39. 39.299 × 295 =
40. 40.34 × 32 =

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