Look at the green shapes in Part A. Are both of these shapes rectangles?
Yes, they are both rectangles. One rectangle is just turned differently than the other rectangle.
Look at the blue shapes in Part A. Are both of these shapes triangles?
Yes, they are both triangles. One triangle is just turned differently than the other triangle.
Look at the shapes in Part B. Which shapes are NOT triangles? Why?
Shape 1 is not a triangle because it is open. Shape 3 is not a triangle because all of the lines are not straight. Shapes 4 and 5 are not triangles because they do not have 3 sides and 3 corners.
All of the shapes in Part C are quadrilaterals. What makes them quadrilaterals?
They all have 4 sides and 4 corners (or angles).
Look at Part D. How are hexagons different from octagons?
Hexagons have 6 sides and 6 angles. Octagons have 8 sides and 8 angles.
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