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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 532 · 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. 1.29² =
  2. 2.65² =
  3. 3.19² =
  4. 4.21² =
  5. 5.83² =
  6. 6.56² =
  7. 7.62² =
  8. 8.71² =
  9. 9.35² =
  10. 10.37² =
  11. 11.81² =
  12. 12.25² =
  13. 13.64² =
  14. 14.13² =
  15. 15.31² =
  16. 16.31² =
  17. 17.29² =
  18. 18.76² =
  19. 19.66² =
  20. 20.91² =
  21. 21.78² =
  22. 22.81² =
  23. 23.12² =
  24. 24.89² =
  25. 25.23² =
  26. 26.81² =
  27. 27.45² =
  28. 28.31² =
  29. 29.37² =
  30. 30.38² =
  31. 31.41² =
  32. 32.26² =
  33. 33.43² =
  34. 34.21² =
  35. 35.27² =
  36. 36.93² =
  37. 37.21² =
  38. 38.62² =
  39. 39.62² =
  40. 40.33² =

Answer key

  1. 841
  2. 4225
  3. 361
  4. 441
  5. 6889
  6. 3136
  7. 3844
  8. 5041
  9. 1225
  10. 1369
  11. 6561
  12. 625
  13. 4096
  14. 169
  15. 961
  16. 961
  17. 841
  18. 5776
  19. 4356
  20. 8281
  21. 6084
  22. 6561
  23. 144
  24. 7921
  25. 529
  26. 6561
  27. 2025
  28. 961
  29. 1369
  30. 1444
  31. 1681
  32. 676
  33. 1849
  34. 441
  35. 729
  36. 8649
  37. 441
  38. 3844
  39. 3844
  40. 1089

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