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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 220 · 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. 1.81² =
  2. 2.53² =
  3. 3.81² =
  4. 4.85² =
  5. 5.67² =
  6. 6.73² =
  7. 7.98² =
  8. 8.51² =
  9. 9.81² =
  10. 10.21² =
  11. 11.39² =
  12. 12.85² =
  13. 13.31² =
  14. 14.55² =
  15. 15.23² =
  16. 16.71² =
  17. 17.27² =
  18. 18.28² =
  19. 19.94² =
  20. 20.57² =
  21. 21.68² =
  22. 22.58² =
  23. 23.89² =
  24. 24.92² =
  25. 25.17² =
  26. 26.71² =
  27. 27.57² =
  28. 28.92² =
  29. 29.61² =
  30. 30.94² =
  31. 31.73² =
  32. 32.22² =
  33. 33.14² =
  34. 34.12² =
  35. 35.16² =
  36. 36.45² =
  37. 37.11² =
  38. 38.87² =
  39. 39.35² =
  40. 40.88² =

Answer key

  1. 6561
  2. 2809
  3. 6561
  4. 7225
  5. 4489
  6. 5329
  7. 9604
  8. 2601
  9. 6561
  10. 441
  11. 1521
  12. 7225
  13. 961
  14. 3025
  15. 529
  16. 5041
  17. 729
  18. 784
  19. 8836
  20. 3249
  21. 4624
  22. 3364
  23. 7921
  24. 8464
  25. 289
  26. 5041
  27. 3249
  28. 8464
  29. 3721
  30. 8836
  31. 5329
  32. 484
  33. 196
  34. 144
  35. 256
  36. 2025
  37. 121
  38. 7569
  39. 1225
  40. 7744

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