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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 149 · 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. 1.65² =
  2. 2.71² =
  3. 3.43² =
  4. 4.76² =
  5. 5.41² =
  6. 6.35² =
  7. 7.73² =
  8. 8.12² =
  9. 9.61² =
  10. 10.21² =
  11. 11.48² =
  12. 12.86² =
  13. 13.12² =
  14. 14.81² =
  15. 15.58² =
  16. 16.62² =
  17. 17.72² =
  18. 18.25² =
  19. 19.89² =
  20. 20.71² =
  21. 21.75² =
  22. 22.29² =
  23. 23.31² =
  24. 24.84² =
  25. 25.82² =
  26. 26.97² =
  27. 27.45² =
  28. 28.32² =
  29. 29.51² =
  30. 30.74² =
  31. 31.35² =
  32. 32.39² =
  33. 33.28² =
  34. 34.14² =
  35. 35.13² =
  36. 36.17² =
  37. 37.83² =
  38. 38.58² =
  39. 39.32² =
  40. 40.36² =

Answer key

  1. 4225
  2. 5041
  3. 1849
  4. 5776
  5. 1681
  6. 1225
  7. 5329
  8. 144
  9. 3721
  10. 441
  11. 2304
  12. 7396
  13. 144
  14. 6561
  15. 3364
  16. 3844
  17. 5184
  18. 625
  19. 7921
  20. 5041
  21. 5625
  22. 841
  23. 961
  24. 7056
  25. 6724
  26. 9409
  27. 2025
  28. 1024
  29. 2601
  30. 5476
  31. 1225
  32. 1521
  33. 784
  34. 196
  35. 169
  36. 289
  37. 6889
  38. 3364
  39. 1024
  40. 1296

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