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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 53 · 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. 1.89² =
  2. 2.33² =
  3. 3.65² =
  4. 4.52² =
  5. 5.46² =
  6. 6.62² =
  7. 7.44² =
  8. 8.73² =
  9. 9.71² =
  10. 10.48² =
  11. 11.12² =
  12. 12.36² =
  13. 13.17² =
  14. 14.74² =
  15. 15.59² =
  16. 16.21² =
  17. 17.66² =
  18. 18.48² =
  19. 19.77² =
  20. 20.65² =
  21. 21.36² =
  22. 22.31² =
  23. 23.85² =
  24. 24.81² =
  25. 25.12² =
  26. 26.46² =
  27. 27.21² =
  28. 28.72² =
  29. 29.14² =
  30. 30.31² =
  31. 31.89² =
  32. 32.96² =
  33. 33.99² =
  34. 34.45² =
  35. 35.65² =
  36. 36.13² =
  37. 37.56² =
  38. 38.69² =
  39. 39.46² =
  40. 40.37² =

Answer key

  1. 7921
  2. 1089
  3. 4225
  4. 2704
  5. 2116
  6. 3844
  7. 1936
  8. 5329
  9. 5041
  10. 2304
  11. 144
  12. 1296
  13. 289
  14. 5476
  15. 3481
  16. 441
  17. 4356
  18. 2304
  19. 5929
  20. 4225
  21. 1296
  22. 961
  23. 7225
  24. 6561
  25. 144
  26. 2116
  27. 441
  28. 5184
  29. 196
  30. 961
  31. 7921
  32. 9216
  33. 9801
  34. 2025
  35. 4225
  36. 169
  37. 3136
  38. 4761
  39. 2116
  40. 1369

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