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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 17 · 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. 1.57² =
  2. 2.43² =
  3. 3.16² =
  4. 4.55² =
  5. 5.85² =
  6. 6.71² =
  7. 7.76² =
  8. 8.86² =
  9. 9.51² =
  10. 10.19² =
  11. 11.55² =
  12. 12.94² =
  13. 13.44² =
  14. 14.42² =
  15. 15.67² =
  16. 16.92² =
  17. 17.54² =
  18. 18.94² =
  19. 19.99² =
  20. 20.63² =
  21. 21.65² =
  22. 22.48² =
  23. 23.49² =
  24. 24.31² =
  25. 25.71² =
  26. 26.31² =
  27. 27.47² =
  28. 28.66² =
  29. 29.71² =
  30. 30.28² =
  31. 31.47² =
  32. 32.31² =
  33. 33.24² =
  34. 34.98² =
  35. 35.26² =
  36. 36.53² =
  37. 37.31² =
  38. 38.42² =
  39. 39.47² =
  40. 40.19² =

Answer key

  1. 3249
  2. 1849
  3. 256
  4. 3025
  5. 7225
  6. 5041
  7. 5776
  8. 7396
  9. 2601
  10. 361
  11. 3025
  12. 8836
  13. 1936
  14. 1764
  15. 4489
  16. 8464
  17. 2916
  18. 8836
  19. 9801
  20. 3969
  21. 4225
  22. 2304
  23. 2401
  24. 961
  25. 5041
  26. 961
  27. 2209
  28. 4356
  29. 5041
  30. 784
  31. 2209
  32. 961
  33. 576
  34. 9604
  35. 676
  36. 2809
  37. 961
  38. 1764
  39. 2209
  40. 361

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