Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 479 · 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. 1.57 × 59 =
2. 2.66 × 68 =
3. 3.206 × 209 =
4. 4.405 × 407 =
5. 5.28 × 28 =
6. 6.409 × 409 =
7. 7.47 × 46 =
8. 8.194 × 198 =
9. 9.22 × 22 =
10. 10.74 × 74 =
11. 11.86 × 89 =
12. 12.406 × 401 =
13. 13.94 × 94 =
14. 14.53 × 52 =
15. 15.91 × 93 =
16. 16.38 × 36 =
17. 17.19 × 18 =
18. 18.207 × 207 =
19. 19.49 × 47 =
20. 20.403 × 409 =
21. 21.506 × 506 =
22. 22.39 × 39 =
23. 23.89 × 89 =
24. 24.205 × 208 =
25. 25.597 × 597 =
26. 26.605 × 608 =
27. 27.592 × 598 =
28. 28.31 × 31 =
29. 29.297 × 297 =
30. 30.22 × 24 =
31. 31.21 × 24 =
32. 32.83 × 83 =
33. 33.302 × 306 =
34. 34.76 × 76 =
35. 35.43 × 43 =
36. 36.494 × 499 =
37. 37.492 × 497 =
38. 38.89 × 88 =
39. 39.34 × 34 =
40. 40.499 × 494 =

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