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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 915 · 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. 1.52² =
  2. 2.82² =
  3. 3.28² =
  4. 4.72² =
  5. 5.41² =
  6. 6.62² =
  7. 7.15² =
  8. 8.13² =
  9. 9.58² =
  10. 10.84² =
  11. 11.76² =
  12. 12.36² =
  13. 13.65² =
  14. 14.42² =
  15. 15.72² =
  16. 16.28² =
  17. 17.51² =
  18. 18.97² =
  19. 19.84² =
  20. 20.39² =
  21. 21.31² =
  22. 22.46² =
  23. 23.43² =
  24. 24.35² =
  25. 25.32² =
  26. 26.16² =
  27. 27.84² =
  28. 28.36² =
  29. 29.25² =
  30. 30.32² =
  31. 31.91² =
  32. 32.31² =
  33. 33.94² =
  34. 34.86² =
  35. 35.87² =
  36. 36.79² =
  37. 37.86² =
  38. 38.36² =
  39. 39.98² =
  40. 40.33² =

Answer key

  1. 2704
  2. 6724
  3. 784
  4. 5184
  5. 1681
  6. 3844
  7. 225
  8. 169
  9. 3364
  10. 7056
  11. 5776
  12. 1296
  13. 4225
  14. 1764
  15. 5184
  16. 784
  17. 2601
  18. 9409
  19. 7056
  20. 1521
  21. 961
  22. 2116
  23. 1849
  24. 1225
  25. 1024
  26. 256
  27. 7056
  28. 1296
  29. 625
  30. 1024
  31. 8281
  32. 961
  33. 8836
  34. 7396
  35. 7569
  36. 6241
  37. 7396
  38. 1296
  39. 9604
  40. 1089

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