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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 29 · 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. 1.86² =
  2. 2.24² =
  3. 3.21² =
  4. 4.26² =
  5. 5.75² =
  6. 6.51² =
  7. 7.14² =
  8. 8.31² =
  9. 9.54² =
  10. 10.97² =
  11. 11.97² =
  12. 12.41² =
  13. 13.87² =
  14. 14.53² =
  15. 15.71² =
  16. 16.21² =
  17. 17.35² =
  18. 18.43² =
  19. 19.88² =
  20. 20.29² =
  21. 21.17² =
  22. 22.66² =
  23. 23.32² =
  24. 24.87² =
  25. 25.77² =
  26. 26.69² =
  27. 27.98² =
  28. 28.58² =
  29. 29.28² =
  30. 30.54² =
  31. 31.31² =
  32. 32.71² =
  33. 33.97² =
  34. 34.33² =
  35. 35.81² =
  36. 36.18² =
  37. 37.74² =
  38. 38.88² =
  39. 39.97² =
  40. 40.39² =

Answer key

  1. 7396
  2. 576
  3. 441
  4. 676
  5. 5625
  6. 2601
  7. 196
  8. 961
  9. 2916
  10. 9409
  11. 9409
  12. 1681
  13. 7569
  14. 2809
  15. 5041
  16. 441
  17. 1225
  18. 1849
  19. 7744
  20. 841
  21. 289
  22. 4356
  23. 1024
  24. 7569
  25. 5929
  26. 4761
  27. 9604
  28. 3364
  29. 784
  30. 2916
  31. 961
  32. 5041
  33. 9409
  34. 1089
  35. 6561
  36. 324
  37. 5476
  38. 7744
  39. 9409
  40. 1521

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