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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 601 · 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. 1.24² =
  2. 2.27² =
  3. 3.84² =
  4. 4.15² =
  5. 5.44² =
  6. 6.81² =
  7. 7.77² =
  8. 8.71² =
  9. 9.51² =
  10. 10.92² =
  11. 11.31² =
  12. 12.57² =
  13. 13.17² =
  14. 14.28² =
  15. 15.63² =
  16. 16.71² =
  17. 17.96² =
  18. 18.31² =
  19. 19.29² =
  20. 20.12² =
  21. 21.98² =
  22. 22.56² =
  23. 23.51² =
  24. 24.18² =
  25. 25.71² =
  26. 26.33² =
  27. 27.93² =
  28. 28.14² =
  29. 29.55² =
  30. 30.55² =
  31. 31.14² =
  32. 32.38² =
  33. 33.41² =
  34. 34.47² =
  35. 35.15² =
  36. 36.17² =
  37. 37.59² =
  38. 38.71² =
  39. 39.43² =
  40. 40.48² =

Answer key

  1. 576
  2. 729
  3. 7056
  4. 225
  5. 1936
  6. 6561
  7. 5929
  8. 5041
  9. 2601
  10. 8464
  11. 961
  12. 3249
  13. 289
  14. 784
  15. 3969
  16. 5041
  17. 9216
  18. 961
  19. 841
  20. 144
  21. 9604
  22. 3136
  23. 2601
  24. 324
  25. 5041
  26. 1089
  27. 8649
  28. 196
  29. 3025
  30. 3025
  31. 196
  32. 1444
  33. 1681
  34. 2209
  35. 225
  36. 289
  37. 3481
  38. 5041
  39. 1849
  40. 2304

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