5.G.2.3Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles.
5.G.2.4Classify two-dimensional figures in a hierarchy based on properties.
I recommend printing these on card stock and/or laminating them so that you can continuously use them year after year.
1. Math Center 2. Journal Problems 3. Small Group Instruction 4. End of Unit Review 5. Test Prep 6. Early Finisher Task 7. Write and Wipe Answers(if laminated) 8.Walk and Solve:Many teachers like to place these around the classroom to get their kids moving by "walking and solving." You can put them on desks, paste them on your whiteboard, and in various places around the room.