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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 280 · 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. 1.97² =
  2. 2.31² =
  3. 3.35² =
  4. 4.69² =
  5. 5.97² =
  6. 6.12² =
  7. 7.66² =
  8. 8.11² =
  9. 9.36² =
  10. 10.94² =
  11. 11.12² =
  12. 12.11² =
  13. 13.91² =
  14. 14.36² =
  15. 15.28² =
  16. 16.47² =
  17. 17.35² =
  18. 18.88² =
  19. 19.78² =
  20. 20.52² =
  21. 21.96² =
  22. 22.28² =
  23. 23.65² =
  24. 24.67² =
  25. 25.41² =
  26. 26.92² =
  27. 27.19² =
  28. 28.46² =
  29. 29.42² =
  30. 30.91² =
  31. 31.13² =
  32. 32.82² =
  33. 33.29² =
  34. 34.43² =
  35. 35.87² =
  36. 36.77² =
  37. 37.18² =
  38. 38.62² =
  39. 39.52² =
  40. 40.79² =

Answer key

  1. 9409
  2. 961
  3. 1225
  4. 4761
  5. 9409
  6. 144
  7. 4356
  8. 121
  9. 1296
  10. 8836
  11. 144
  12. 121
  13. 8281
  14. 1296
  15. 784
  16. 2209
  17. 1225
  18. 7744
  19. 6084
  20. 2704
  21. 9216
  22. 784
  23. 4225
  24. 4489
  25. 1681
  26. 8464
  27. 361
  28. 2116
  29. 1764
  30. 8281
  31. 169
  32. 6724
  33. 841
  34. 1849
  35. 7569
  36. 5929
  37. 324
  38. 3844
  39. 2704
  40. 6241

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