Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 463 · 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. 1.299 × 297 =
2. 2.31 × 31 =
3. 3.82 × 81 =
4. 4.494 × 497 =
5. 5.208 × 201 =
6. 6.67 × 66 =
7. 7.66 × 69 =
8. 8.195 × 191 =
9. 9.193 × 196 =
10. 10.37 × 37 =
11. 11.291 × 298 =
12. 12.56 × 57 =
13. 13.492 × 491 =
14. 14.495 × 497 =
15. 15.66 × 69 =
16. 16.193 × 193 =
17. 17.18 × 18 =
18. 18.494 × 491 =
19. 19.196 × 192 =
20. 20.199 × 198 =
21. 21.77 × 78 =
22. 22.46 × 47 =
23. 23.57 × 57 =
24. 24.405 × 409 =
25. 25.93 × 93 =
26. 26.36 × 39 =
27. 27.22 × 23 =
28. 28.26 × 29 =
29. 29.591 × 592 =
30. 30.49 × 47 =
31. 31.492 × 499 =
32. 32.299 × 297 =
33. 33.497 × 492 =
34. 34.507 × 509 =
35. 35.295 × 299 =
36. 36.66 × 68 =
37. 37.203 × 201 =
38. 38.58 × 57 =
39. 39.38 × 37 =
40. 40.402 × 401 =

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