Which of these are pentagons?
Which of these are hexagons?
Which of these are octagons?
Select all correct options.
Which of these are decagons?
Sort and classify quadrilaterals by geometric properties related to symmetry, angles, and sides, through investigation using a variety of tools (e.g., geoboard, dynamic geometry software) and strategies (e.g., using charts, using Venn diagrams)