Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 793 · 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. 1.17 × 18 =
2. 2.593 × 596 =
3. 3.22 × 21 =
4. 4.91 × 91 =
5. 5.602 × 605 =
6. 6.83 × 82 =
7. 7.192 × 196 =
8. 8.74 × 72 =
9. 9.56 × 57 =
10. 10.206 × 208 =
11. 11.399 × 398 =
12. 12.66 × 68 =
13. 13.398 × 391 =
14. 14.603 × 604 =
15. 15.205 × 204 =
16. 16.59 × 56 =
17. 17.403 × 401 =
18. 18.59 × 56 =
19. 19.596 × 593 =
20. 20.292 × 297 =
21. 21.63 × 61 =
22. 22.24 × 22 =
23. 23.28 × 27 =
24. 24.68 × 67 =
25. 25.595 × 597 =
26. 26.77 × 79 =
27. 27.494 × 498 =
28. 28.38 × 39 =
29. 29.61 × 62 =
30. 30.208 × 205 =
31. 31.44 × 42 =
32. 32.66 × 68 =
33. 33.69 × 69 =
34. 34.196 × 193 =
35. 35.593 × 591 =
36. 36.24 × 24 =
37. 37.18 × 19 =
38. 38.596 × 595 =
39. 39.86 × 88 =
40. 40.54 × 52 =

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