Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 784 · 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. 1.608 × 607 =
2. 2.507 × 501 =
3. 3.69 × 66 =
4. 4.81 × 81 =
5. 5.598 × 594 =
6. 6.72 × 73 =
7. 7.199 × 199 =
8. 8.302 × 306 =
9. 9.79 × 77 =
10. 10.49 × 47 =
11. 11.83 × 82 =
12. 12.56 × 58 =
13. 13.33 × 31 =
14. 14.39 × 39 =
15. 15.59 × 57 =
16. 16.507 × 503 =
17. 17.17 × 18 =
18. 18.199 × 198 =
19. 19.496 × 494 =
20. 20.53 × 54 =
21. 21.62 × 61 =
22. 22.36 × 37 =
23. 23.608 × 608 =
24. 24.493 × 499 =
25. 25.63 × 61 =
26. 26.54 × 53 =
27. 27.208 × 209 =
28. 28.77 × 79 =
29. 29.37 × 37 =
30. 30.305 × 301 =
31. 31.62 × 64 =
32. 32.599 × 593 =
33. 33.66 × 68 =
34. 34.197 × 197 =
35. 35.599 × 591 =
36. 36.24 × 24 =
37. 37.592 × 592 =
38. 38.501 × 504 =
39. 39.26 × 28 =
40. 40.205 × 201 =

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