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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 171 · 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. 1.58² =
  2. 2.24² =
  3. 3.67² =
  4. 4.14² =
  5. 5.42² =
  6. 6.37² =
  7. 7.61² =
  8. 8.49² =
  9. 9.36² =
  10. 10.62² =
  11. 11.23² =
  12. 12.49² =
  13. 13.26² =
  14. 14.64² =
  15. 15.79² =
  16. 16.73² =
  17. 17.48² =
  18. 18.12² =
  19. 19.86² =
  20. 20.45² =
  21. 21.14² =
  22. 22.92² =
  23. 23.21² =
  24. 24.24² =
  25. 25.39² =
  26. 26.92² =
  27. 27.92² =
  28. 28.71² =
  29. 29.91² =
  30. 30.88² =
  31. 31.26² =
  32. 32.43² =
  33. 33.58² =
  34. 34.25² =
  35. 35.45² =
  36. 36.17² =
  37. 37.33² =
  38. 38.21² =
  39. 39.98² =
  40. 40.32² =

Answer key

  1. 3364
  2. 576
  3. 4489
  4. 196
  5. 1764
  6. 1369
  7. 3721
  8. 2401
  9. 1296
  10. 3844
  11. 529
  12. 2401
  13. 676
  14. 4096
  15. 6241
  16. 5329
  17. 2304
  18. 144
  19. 7396
  20. 2025
  21. 196
  22. 8464
  23. 441
  24. 576
  25. 1521
  26. 8464
  27. 8464
  28. 5041
  29. 8281
  30. 7744
  31. 676
  32. 1849
  33. 3364
  34. 625
  35. 2025
  36. 289
  37. 1089
  38. 441
  39. 9604
  40. 1024

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