3rd Grade Math Module 7 Lesson 7

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Presentation transcript:

3rd Grade Math Module 7 Lesson 7 engageny 3rd Grade Math Module 7 Lesson 7

I can compose and decompose polygons. Lesson 7 Learning Goal I can compose and decompose polygons.

Lesson 7 Stand up ! What type of angle am I modeling? I can compose and decompose polygons. Stand up ! What type of angle am I modeling? Model a right angle with your arms. Model another right angle. How many sides does a triangle have? How can you model a triangle? What do we call a four-sided polygon? How can you model a quadrilateral? Point to the wall parallel to the one I’m pointing at. Point to the wall that makes a right angle with the wall I’m pointing at. Physiometry

Lesson 7 Quadrilateral How many sides does this polygon have? I can compose and decompose polygons. How many sides does this polygon have? What do we call polygons that have four sides? Quadrilateral Classify the polygon

Lesson 7 Trapezoid How many sets of parallel lines? I can compose and decompose polygons. How many sets of parallel lines? What do we call a quadrilateral with one set of parallel lines? Trapezoid Classify the polygon

Lesson 7 Is this a quadrilateral? How many right angles does this I can compose and decompose polygons. Is this a quadrilateral? How many right angles does this quadrilateral have? Classify the polygon

Lesson 7 Parallelogram How many sets of parallel lines? I can compose and decompose polygons. How many sets of parallel lines? What do we call a quadrilateral with two sets of parallel lines? Parallelogram Classify the polygon

Lesson 7 Is this polygon a quadrilateral? I can compose and decompose polygons. Is this polygon a quadrilateral? How many right angles does this quadrilateral have? Classify the polygon

Lesson 7 Rectangle Is this quadrilateral a parallelogram? I can compose and decompose polygons. Is this quadrilateral a parallelogram? How do you know? What is another name for this quadrilateral? Rectangle Classify the polygon

Lesson 7 Is this polygon a quadrilateral? I can compose and decompose polygons. Is this polygon a quadrilateral? How many right angles does this quadrilateral have? Classify the polygon

Lesson 7 Square What do we call a rectangle with equal side lengths? I can compose and decompose polygons. What do we call a rectangle with equal side lengths? Square What is another name for this quadrilateral? Classify the polygon

Lesson 7 Hexagon How many sides does this polygon have? I can compose and decompose polygons. How many sides does this polygon have? What do we call a polygon with six sides? Hexagon Classify the polygon

Lesson 7 Pentagon How many sides does this polygon have? I can compose and decompose polygons. How many sides does this polygon have? What do we call a polygon with five sides? Pentagon Classify the polygon

Use suggested materials for Lesson 7 I can compose and decompose polygons. Use suggested materials for Concept Development. Concept Development