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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 537 · 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. 1.22² =
  2. 2.69² =
  3. 3.91² =
  4. 4.74² =
  5. 5.85² =
  6. 6.75² =
  7. 7.99² =
  8. 8.84² =
  9. 9.15² =
  10. 10.52² =
  11. 11.26² =
  12. 12.62² =
  13. 13.62² =
  14. 14.37² =
  15. 15.71² =
  16. 16.44² =
  17. 17.28² =
  18. 18.78² =
  19. 19.62² =
  20. 20.31² =
  21. 21.53² =
  22. 22.41² =
  23. 23.45² =
  24. 24.12² =
  25. 25.89² =
  26. 26.22² =
  27. 27.66² =
  28. 28.46² =
  29. 29.35² =
  30. 30.54² =
  31. 31.68² =
  32. 32.37² =
  33. 33.71² =
  34. 34.61² =
  35. 35.45² =
  36. 36.36² =
  37. 37.41² =
  38. 38.53² =
  39. 39.97² =
  40. 40.43² =

Answer key

  1. 484
  2. 4761
  3. 8281
  4. 5476
  5. 7225
  6. 5625
  7. 9801
  8. 7056
  9. 225
  10. 2704
  11. 676
  12. 3844
  13. 3844
  14. 1369
  15. 5041
  16. 1936
  17. 784
  18. 6084
  19. 3844
  20. 961
  21. 2809
  22. 1681
  23. 2025
  24. 144
  25. 7921
  26. 484
  27. 4356
  28. 2116
  29. 1225
  30. 2916
  31. 4624
  32. 1369
  33. 5041
  34. 3721
  35. 2025
  36. 1296
  37. 1681
  38. 2809
  39. 9409
  40. 1849

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