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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 40 · 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. 1.49² =
  2. 2.62² =
  3. 3.13² =
  4. 4.79² =
  5. 5.65² =
  6. 6.42² =
  7. 7.41² =
  8. 8.12² =
  9. 9.35² =
  10. 10.74² =
  11. 11.95² =
  12. 12.81² =
  13. 13.95² =
  14. 14.46² =
  15. 15.44² =
  16. 16.89² =
  17. 17.92² =
  18. 18.16² =
  19. 19.93² =
  20. 20.51² =
  21. 21.66² =
  22. 22.53² =
  23. 23.61² =
  24. 24.61² =
  25. 25.88² =
  26. 26.58² =
  27. 27.57² =
  28. 28.31² =
  29. 29.72² =
  30. 30.14² =
  31. 31.84² =
  32. 32.87² =
  33. 33.36² =
  34. 34.93² =
  35. 35.61² =
  36. 36.38² =
  37. 37.34² =
  38. 38.41² =
  39. 39.69² =
  40. 40.99² =

Answer key

  1. 2401
  2. 3844
  3. 169
  4. 6241
  5. 4225
  6. 1764
  7. 1681
  8. 144
  9. 1225
  10. 5476
  11. 9025
  12. 6561
  13. 9025
  14. 2116
  15. 1936
  16. 7921
  17. 8464
  18. 256
  19. 8649
  20. 2601
  21. 4356
  22. 2809
  23. 3721
  24. 3721
  25. 7744
  26. 3364
  27. 3249
  28. 961
  29. 5184
  30. 196
  31. 7056
  32. 7569
  33. 1296
  34. 8649
  35. 3721
  36. 1444
  37. 1156
  38. 1681
  39. 4761
  40. 9801

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