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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 173 · 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. 1.69² =
  2. 2.76² =
  3. 3.77² =
  4. 4.53² =
  5. 5.59² =
  6. 6.46² =
  7. 7.13² =
  8. 8.12² =
  9. 9.61² =
  10. 10.51² =
  11. 11.81² =
  12. 12.48² =
  13. 13.65² =
  14. 14.43² =
  15. 15.46² =
  16. 16.42² =
  17. 17.27² =
  18. 18.25² =
  19. 19.95² =
  20. 20.79² =
  21. 21.36² =
  22. 22.17² =
  23. 23.36² =
  24. 24.92² =
  25. 25.86² =
  26. 26.16² =
  27. 27.33² =
  28. 28.28² =
  29. 29.67² =
  30. 30.84² =
  31. 31.93² =
  32. 32.74² =
  33. 33.71² =
  34. 34.28² =
  35. 35.34² =
  36. 36.93² =
  37. 37.21² =
  38. 38.39² =
  39. 39.93² =
  40. 40.85² =

Answer key

  1. 4761
  2. 5776
  3. 5929
  4. 2809
  5. 3481
  6. 2116
  7. 169
  8. 144
  9. 3721
  10. 2601
  11. 6561
  12. 2304
  13. 4225
  14. 1849
  15. 2116
  16. 1764
  17. 729
  18. 625
  19. 9025
  20. 6241
  21. 1296
  22. 289
  23. 1296
  24. 8464
  25. 7396
  26. 256
  27. 1089
  28. 784
  29. 4489
  30. 7056
  31. 8649
  32. 5476
  33. 5041
  34. 784
  35. 1156
  36. 8649
  37. 441
  38. 1521
  39. 8649
  40. 7225

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