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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 338 · 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. 1.53² =
  2. 2.67² =
  3. 3.48² =
  4. 4.97² =
  5. 5.83² =
  6. 6.68² =
  7. 7.89² =
  8. 8.51² =
  9. 9.25² =
  10. 10.66² =
  11. 11.24² =
  12. 12.92² =
  13. 13.21² =
  14. 14.42² =
  15. 15.18² =
  16. 16.96² =
  17. 17.88² =
  18. 18.18² =
  19. 19.28² =
  20. 20.58² =
  21. 21.71² =
  22. 22.24² =
  23. 23.76² =
  24. 24.85² =
  25. 25.61² =
  26. 26.63² =
  27. 27.34² =
  28. 28.32² =
  29. 29.41² =
  30. 30.54² =
  31. 31.42² =
  32. 32.71² =
  33. 33.24² =
  34. 34.58² =
  35. 35.68² =
  36. 36.61² =
  37. 37.33² =
  38. 38.91² =
  39. 39.31² =
  40. 40.29² =

Answer key

  1. 2809
  2. 4489
  3. 2304
  4. 9409
  5. 6889
  6. 4624
  7. 7921
  8. 2601
  9. 625
  10. 4356
  11. 576
  12. 8464
  13. 441
  14. 1764
  15. 324
  16. 9216
  17. 7744
  18. 324
  19. 784
  20. 3364
  21. 5041
  22. 576
  23. 5776
  24. 7225
  25. 3721
  26. 3969
  27. 1156
  28. 1024
  29. 1681
  30. 2916
  31. 1764
  32. 5041
  33. 576
  34. 3364
  35. 4624
  36. 3721
  37. 1089
  38. 8281
  39. 961
  40. 841

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