This Fluency Activity is a part of the Lesson 33, Unit 3, Grade 4. This fluency activity reviews Grade 3 geometry concepts in anticipation of Module 4 content. Project the shapes template which includes the following: a square; a rhombus that is not a square; a rectangle that is not a square; and several quadrilaterals that are not squares, rhombuses, or rectangles. How many sides does each polygon have? On your personal white board, write the name for any four-sided polygon.