Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 197 · 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. 1.41 × 43 =
2. 2.297 × 294 =
3. 3.502 × 506 =
4. 4.603 × 605 =
5. 5.591 × 593 =
6. 6.68 × 69 =
7. 7.87 × 89 =
8. 8.67 × 66 =
9. 9.77 × 79 =
10. 10.292 × 293 =
11. 11.92 × 92 =
12. 12.202 × 209 =
13. 13.43 × 43 =
14. 14.56 × 59 =
15. 15.404 × 402 =
16. 16.291 × 291 =
17. 17.396 × 399 =
18. 18.41 × 44 =
19. 19.592 × 596 =
20. 20.595 × 593 =
21. 21.597 × 597 =
22. 22.33 × 32 =
23. 23.194 × 194 =
24. 24.32 × 32 =
25. 25.16 × 18 =
26. 26.42 × 41 =
27. 27.91 × 91 =
28. 28.21 × 21 =
29. 29.402 × 406 =
30. 30.93 × 93 =
31. 31.29 × 29 =
32. 32.295 × 294 =
33. 33.603 × 606 =
34. 34.401 × 405 =
35. 35.195 × 191 =
36. 36.408 × 401 =
37. 37.393 × 393 =
38. 38.592 × 594 =
39. 39.31 × 32 =
40. 40.72 × 74 =

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