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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 148 · 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. 1.62² =
  2. 2.35² =
  3. 3.89² =
  4. 4.66² =
  5. 5.54² =
  6. 6.92² =
  7. 7.73² =
  8. 8.33² =
  9. 9.93² =
  10. 10.21² =
  11. 11.81² =
  12. 12.33² =
  13. 13.12² =
  14. 14.83² =
  15. 15.99² =
  16. 16.41² =
  17. 17.81² =
  18. 18.74² =
  19. 19.97² =
  20. 20.32² =
  21. 21.28² =
  22. 22.29² =
  23. 23.17² =
  24. 24.59² =
  25. 25.78² =
  26. 26.32² =
  27. 27.84² =
  28. 28.45² =
  29. 29.31² =
  30. 30.95² =
  31. 31.29² =
  32. 32.65² =
  33. 33.58² =
  34. 34.18² =
  35. 35.68² =
  36. 36.85² =
  37. 37.71² =
  38. 38.12² =
  39. 39.31² =
  40. 40.94² =

Answer key

  1. 3844
  2. 1225
  3. 7921
  4. 4356
  5. 2916
  6. 8464
  7. 5329
  8. 1089
  9. 8649
  10. 441
  11. 6561
  12. 1089
  13. 144
  14. 6889
  15. 9801
  16. 1681
  17. 6561
  18. 5476
  19. 9409
  20. 1024
  21. 784
  22. 841
  23. 289
  24. 3481
  25. 6084
  26. 1024
  27. 7056
  28. 2025
  29. 961
  30. 9025
  31. 841
  32. 4225
  33. 3364
  34. 324
  35. 4624
  36. 7225
  37. 5041
  38. 144
  39. 961
  40. 8836

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