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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 150 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.38² =
  2. 2.41² =
  3. 3.67² =
  4. 4.25² =
  5. 5.91² =
  6. 6.79² =
  7. 7.45² =
  8. 8.99² =
  9. 9.32² =
  10. 10.32² =
  11. 11.71² =
  12. 12.22² =
  13. 13.29² =
  14. 14.18² =
  15. 15.64² =
  16. 16.35² =
  17. 17.19² =
  18. 18.41² =
  19. 19.58² =
  20. 20.42² =
  21. 21.85² =
  22. 22.96² =
  23. 23.59² =
  24. 24.35² =
  25. 25.31² =
  26. 26.47² =
  27. 27.22² =
  28. 28.78² =
  29. 29.55² =
  30. 30.94² =
  31. 31.16² =
  32. 32.93² =
  33. 33.21² =
  34. 34.92² =
  35. 35.37² =
  36. 36.97² =
  37. 37.62² =
  38. 38.68² =
  39. 39.37² =
  40. 40.82² =

Answer key

  1. 1444
  2. 1681
  3. 4489
  4. 625
  5. 8281
  6. 6241
  7. 2025
  8. 9801
  9. 1024
  10. 1024
  11. 5041
  12. 484
  13. 841
  14. 324
  15. 4096
  16. 1225
  17. 361
  18. 1681
  19. 3364
  20. 1764
  21. 7225
  22. 9216
  23. 3481
  24. 1225
  25. 961
  26. 2209
  27. 484
  28. 6084
  29. 3025
  30. 8836
  31. 256
  32. 8649
  33. 441
  34. 8464
  35. 1369
  36. 9409
  37. 3844
  38. 4624
  39. 1369
  40. 6724

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