Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 826 · 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. 1.301 × 303 =
2. 2.81 × 81 =
3. 3.49 × 46 =
4. 4.299 × 291 =
5. 5.73 × 74 =
6. 6.198 × 198 =
7. 7.16 × 17 =
8. 8.503 × 504 =
9. 9.64 × 63 =
10. 10.398 × 392 =
11. 11.58 × 57 =
12. 12.399 × 394 =
13. 13.42 × 44 =
14. 14.491 × 499 =
15. 15.191 × 191 =
16. 16.593 × 596 =
17. 17.84 × 81 =
18. 18.33 × 32 =
19. 19.18 × 16 =
20. 20.404 × 402 =
21. 21.298 × 295 =
22. 22.299 × 294 =
23. 23.498 × 491 =
24. 24.601 × 606 =
25. 25.198 × 198 =
26. 26.79 × 76 =
27. 27.29 × 28 =
28. 28.49 × 49 =
29. 29.309 × 301 =
30. 30.84 × 83 =
31. 31.76 × 77 =
32. 32.33 × 32 =
33. 33.21 × 22 =
34. 34.199 × 197 =
35. 35.37 × 38 =
36. 36.23 × 22 =
37. 37.67 × 67 =
38. 38.209 × 205 =
39. 39.51 × 54 =
40. 40.18 × 18 =

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