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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 718 · 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. 1.85² =
  2. 2.27² =
  3. 3.36² =
  4. 4.38² =
  5. 5.11² =
  6. 6.72² =
  7. 7.12² =
  8. 8.43² =
  9. 9.66² =
  10. 10.34² =
  11. 11.15² =
  12. 12.31² =
  13. 13.27² =
  14. 14.66² =
  15. 15.32² =
  16. 16.97² =
  17. 17.34² =
  18. 18.63² =
  19. 19.21² =
  20. 20.24² =
  21. 21.78² =
  22. 22.73² =
  23. 23.43² =
  24. 24.71² =
  25. 25.83² =
  26. 26.87² =
  27. 27.28² =
  28. 28.24² =
  29. 29.78² =
  30. 30.67² =
  31. 31.34² =
  32. 32.43² =
  33. 33.33² =
  34. 34.95² =
  35. 35.17² =
  36. 36.61² =
  37. 37.33² =
  38. 38.25² =
  39. 39.23² =
  40. 40.57² =

Answer key

  1. 7225
  2. 729
  3. 1296
  4. 1444
  5. 121
  6. 5184
  7. 144
  8. 1849
  9. 4356
  10. 1156
  11. 225
  12. 961
  13. 729
  14. 4356
  15. 1024
  16. 9409
  17. 1156
  18. 3969
  19. 441
  20. 576
  21. 6084
  22. 5329
  23. 1849
  24. 5041
  25. 6889
  26. 7569
  27. 784
  28. 576
  29. 6084
  30. 4489
  31. 1156
  32. 1849
  33. 1089
  34. 9025
  35. 289
  36. 3721
  37. 1089
  38. 625
  39. 529
  40. 3249

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