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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 350 · 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. 1.42² =
  2. 2.75² =
  3. 3.96² =
  4. 4.63² =
  5. 5.63² =
  6. 6.27² =
  7. 7.92² =
  8. 8.45² =
  9. 9.53² =
  10. 10.54² =
  11. 11.21² =
  12. 12.48² =
  13. 13.61² =
  14. 14.15² =
  15. 15.24² =
  16. 16.41² =
  17. 17.35² =
  18. 18.29² =
  19. 19.49² =
  20. 20.67² =
  21. 21.61² =
  22. 22.14² =
  23. 23.91² =
  24. 24.31² =
  25. 25.34² =
  26. 26.71² =
  27. 27.11² =
  28. 28.91² =
  29. 29.81² =
  30. 30.46² =
  31. 31.41² =
  32. 32.63² =
  33. 33.73² =
  34. 34.18² =
  35. 35.27² =
  36. 36.43² =
  37. 37.13² =
  38. 38.44² =
  39. 39.17² =
  40. 40.78² =

Answer key

  1. 1764
  2. 5625
  3. 9216
  4. 3969
  5. 3969
  6. 729
  7. 8464
  8. 2025
  9. 2809
  10. 2916
  11. 441
  12. 2304
  13. 3721
  14. 225
  15. 576
  16. 1681
  17. 1225
  18. 841
  19. 2401
  20. 4489
  21. 3721
  22. 196
  23. 8281
  24. 961
  25. 1156
  26. 5041
  27. 121
  28. 8281
  29. 6561
  30. 2116
  31. 1681
  32. 3969
  33. 5329
  34. 324
  35. 729
  36. 1849
  37. 169
  38. 1936
  39. 289
  40. 6084

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