Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 551 · 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. 1.83 × 83 =
2. 2.494 × 498 =
3. 3.398 × 398 =
4. 4.599 × 593 =
5. 5.43 × 41 =
6. 6.29 × 26 =
7. 7.209 × 203 =
8. 8.199 × 192 =
9. 9.78 × 76 =
10. 10.505 × 509 =
11. 11.18 × 16 =
12. 12.57 × 56 =
13. 13.52 × 54 =
14. 14.62 × 61 =
15. 15.393 × 391 =
16. 16.18 × 18 =
17. 17.405 × 402 =
18. 18.594 × 599 =
19. 19.18 × 18 =
20. 20.33 × 31 =
21. 21.31 × 32 =
22. 22.24 × 23 =
23. 23.63 × 61 =
24. 24.309 × 302 =
25. 25.48 × 49 =
26. 26.41 × 44 =
27. 27.77 × 78 =
28. 28.52 × 53 =
29. 29.54 × 54 =
30. 30.593 × 597 =
31. 31.34 × 34 =
32. 32.305 × 305 =
33. 33.21 × 23 =
34. 34.93 × 91 =
35. 35.44 × 44 =
36. 36.297 × 291 =
37. 37.66 × 67 =
38. 38.497 × 492 =
39. 39.18 × 19 =
40. 40.591 × 598 =

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