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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 122 · 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. 1.31² =
  2. 2.43² =
  3. 3.21² =
  4. 4.12² =
  5. 5.58² =
  6. 6.21² =
  7. 7.47² =
  8. 8.76² =
  9. 9.14² =
  10. 10.21² =
  11. 11.39² =
  12. 12.72² =
  13. 13.69² =
  14. 14.88² =
  15. 15.58² =
  16. 16.94² =
  17. 17.92² =
  18. 18.71² =
  19. 19.19² =
  20. 20.31² =
  21. 21.43² =
  22. 22.89² =
  23. 23.38² =
  24. 24.86² =
  25. 25.28² =
  26. 26.24² =
  27. 27.69² =
  28. 28.37² =
  29. 29.34² =
  30. 30.56² =
  31. 31.18² =
  32. 32.71² =
  33. 33.21² =
  34. 34.19² =
  35. 35.35² =
  36. 36.33² =
  37. 37.99² =
  38. 38.85² =
  39. 39.81² =
  40. 40.24² =

Answer key

  1. 961
  2. 1849
  3. 441
  4. 144
  5. 3364
  6. 441
  7. 2209
  8. 5776
  9. 196
  10. 441
  11. 1521
  12. 5184
  13. 4761
  14. 7744
  15. 3364
  16. 8836
  17. 8464
  18. 5041
  19. 361
  20. 961
  21. 1849
  22. 7921
  23. 1444
  24. 7396
  25. 784
  26. 576
  27. 4761
  28. 1369
  29. 1156
  30. 3136
  31. 324
  32. 5041
  33. 441
  34. 361
  35. 1225
  36. 1089
  37. 9801
  38. 7225
  39. 6561
  40. 576

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