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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 700 · 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. 1.77² =
  2. 2.36² =
  3. 3.81² =
  4. 4.98² =
  5. 5.96² =
  6. 6.33² =
  7. 7.57² =
  8. 8.26² =
  9. 9.55² =
  10. 10.93² =
  11. 11.84² =
  12. 12.19² =
  13. 13.13² =
  14. 14.31² =
  15. 15.37² =
  16. 16.42² =
  17. 17.19² =
  18. 18.33² =
  19. 19.93² =
  20. 20.57² =
  21. 21.24² =
  22. 22.86² =
  23. 23.18² =
  24. 24.14² =
  25. 25.43² =
  26. 26.43² =
  27. 27.96² =
  28. 28.53² =
  29. 29.72² =
  30. 30.93² =
  31. 31.24² =
  32. 32.55² =
  33. 33.38² =
  34. 34.61² =
  35. 35.16² =
  36. 36.27² =
  37. 37.54² =
  38. 38.64² =
  39. 39.28² =
  40. 40.49² =

Answer key

  1. 5929
  2. 1296
  3. 6561
  4. 9604
  5. 9216
  6. 1089
  7. 3249
  8. 676
  9. 3025
  10. 8649
  11. 7056
  12. 361
  13. 169
  14. 961
  15. 1369
  16. 1764
  17. 361
  18. 1089
  19. 8649
  20. 3249
  21. 576
  22. 7396
  23. 324
  24. 196
  25. 1849
  26. 1849
  27. 9216
  28. 2809
  29. 5184
  30. 8649
  31. 576
  32. 3025
  33. 1444
  34. 3721
  35. 256
  36. 729
  37. 2916
  38. 4096
  39. 784
  40. 2401

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