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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 239 · 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. 1.34² =
  2. 2.28² =
  3. 3.24² =
  4. 4.23² =
  5. 5.54² =
  6. 6.98² =
  7. 7.13² =
  8. 8.39² =
  9. 9.37² =
  10. 10.86² =
  11. 11.22² =
  12. 12.24² =
  13. 13.21² =
  14. 14.98² =
  15. 15.53² =
  16. 16.42² =
  17. 17.71² =
  18. 18.58² =
  19. 19.69² =
  20. 20.42² =
  21. 21.14² =
  22. 22.99² =
  23. 23.16² =
  24. 24.39² =
  25. 25.68² =
  26. 26.27² =
  27. 27.54² =
  28. 28.85² =
  29. 29.76² =
  30. 30.81² =
  31. 31.93² =
  32. 32.52² =
  33. 33.71² =
  34. 34.77² =
  35. 35.94² =
  36. 36.68² =
  37. 37.82² =
  38. 38.21² =
  39. 39.95² =
  40. 40.12² =

Answer key

  1. 1156
  2. 784
  3. 576
  4. 529
  5. 2916
  6. 9604
  7. 169
  8. 1521
  9. 1369
  10. 7396
  11. 484
  12. 576
  13. 441
  14. 9604
  15. 2809
  16. 1764
  17. 5041
  18. 3364
  19. 4761
  20. 1764
  21. 196
  22. 9801
  23. 256
  24. 1521
  25. 4624
  26. 729
  27. 2916
  28. 7225
  29. 5776
  30. 6561
  31. 8649
  32. 2704
  33. 5041
  34. 5929
  35. 8836
  36. 4624
  37. 6724
  38. 441
  39. 9025
  40. 144

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