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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 22 · 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. 2.57² =
  3. 3.41² =
  4. 4.37² =
  5. 5.89² =
  6. 6.33² =
  7. 7.51² =
  8. 8.21² =
  9. 9.42² =
  10. 10.99² =
  11. 11.24² =
  12. 12.98² =
  13. 13.32² =
  14. 14.84² =
  15. 15.91² =
  16. 16.63² =
  17. 17.71² =
  18. 18.81² =
  19. 19.89² =
  20. 20.49² =
  21. 21.15² =
  22. 22.11² =
  23. 23.97² =
  24. 24.55² =
  25. 25.31² =
  26. 26.76² =
  27. 27.56² =
  28. 28.68² =
  29. 29.84² =
  30. 30.17² =
  31. 31.54² =
  32. 32.67² =
  33. 33.53² =
  34. 34.62² =
  35. 35.29² =
  36. 36.96² =
  37. 37.49² =
  38. 38.98² =
  39. 39.88² =
  40. 40.13² =

Answer key

  1. 4761
  2. 3249
  3. 1681
  4. 1369
  5. 7921
  6. 1089
  7. 2601
  8. 441
  9. 1764
  10. 9801
  11. 576
  12. 9604
  13. 1024
  14. 7056
  15. 8281
  16. 3969
  17. 5041
  18. 6561
  19. 7921
  20. 2401
  21. 225
  22. 121
  23. 9409
  24. 3025
  25. 961
  26. 5776
  27. 3136
  28. 4624
  29. 7056
  30. 289
  31. 2916
  32. 4489
  33. 2809
  34. 3844
  35. 841
  36. 9216
  37. 2401
  38. 9604
  39. 7744
  40. 169

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