Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 124 · 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. 1.497 × 498 =
2. 2.199 × 198 =
3. 3.198 × 194 =
4. 4.39 × 37 =
5. 5.21 × 22 =
6. 6.393 × 394 =
7. 7.497 × 499 =
8. 8.197 × 191 =
9. 9.58 × 58 =
10. 10.22 × 23 =
11. 11.194 × 192 =
12. 12.53 × 54 =
13. 13.503 × 509 =
14. 14.16 × 19 =
15. 15.89 × 88 =
16. 16.69 × 69 =
17. 17.83 × 83 =
18. 18.73 × 73 =
19. 19.591 × 591 =
20. 20.89 × 88 =
21. 21.17 × 19 =
22. 22.56 × 59 =
23. 23.506 × 506 =
24. 24.401 × 404 =
25. 25.16 × 19 =
26. 26.203 × 203 =
27. 27.34 × 31 =
28. 28.191 × 195 =
29. 29.17 × 16 =
30. 30.295 × 293 =
31. 31.406 × 406 =
32. 32.68 × 66 =
33. 33.27 × 29 =
34. 34.31 × 34 =
35. 35.502 × 508 =
36. 36.194 × 197 =
37. 37.509 × 503 =
38. 38.39 × 36 =
39. 39.23 × 23 =
40. 40.507 × 508 =

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