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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 65 · 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. 1.27² =
  2. 2.61² =
  3. 3.61² =
  4. 4.41² =
  5. 5.17² =
  6. 6.69² =
  7. 7.53² =
  8. 8.67² =
  9. 9.17² =
  10. 10.75² =
  11. 11.76² =
  12. 12.13² =
  13. 13.72² =
  14. 14.82² =
  15. 15.17² =
  16. 16.82² =
  17. 17.89² =
  18. 18.28² =
  19. 19.44² =
  20. 20.21² =
  21. 21.18² =
  22. 22.14² =
  23. 23.81² =
  24. 24.74² =
  25. 25.64² =
  26. 26.17² =
  27. 27.36² =
  28. 28.33² =
  29. 29.52² =
  30. 30.49² =
  31. 31.71² =
  32. 32.32² =
  33. 33.73² =
  34. 34.65² =
  35. 35.65² =
  36. 36.41² =
  37. 37.74² =
  38. 38.28² =
  39. 39.46² =
  40. 40.91² =

Answer key

  1. 729
  2. 3721
  3. 3721
  4. 1681
  5. 289
  6. 4761
  7. 2809
  8. 4489
  9. 289
  10. 5625
  11. 5776
  12. 169
  13. 5184
  14. 6724
  15. 289
  16. 6724
  17. 7921
  18. 784
  19. 1936
  20. 441
  21. 324
  22. 196
  23. 6561
  24. 5476
  25. 4096
  26. 289
  27. 1296
  28. 1089
  29. 2704
  30. 2401
  31. 5041
  32. 1024
  33. 5329
  34. 4225
  35. 4225
  36. 1681
  37. 5476
  38. 784
  39. 2116
  40. 8281

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