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3rd Grade Geometry
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I can distinguish between polygons and non polygons
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Polygon or non polygon? Use properties to explain your answer.
It is enclosed and has at least straight sides
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Polygon or non polygon? Use properties to explain your answer.
Not a Polygon – It doesn’t have straight sides
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Polygon or non polygon? Use properties to explain your answer.
It is enclosed and has at least straight sides
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Polygon or non polygon? Use properties to explain your answer.
Not a Polygon – Sides of a polygon aren’t allowed to cross
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Polygon or non polygon? Use properties to explain your answer.
Not a polygon Doesn’t have straight sides
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Polygon or non polygon? Use properties to explain your answer.
It is enclosed and has at least straight sides
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I can identify a polygon by the number of sides.
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Name this Polygon Explain how you know by the number of sides
Triangle – It is a polygon with 3 sides
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Hexagon – It is a polygon with 6 sides
Name this Polygon Explain how you know by the number of sides Hexagon – It is a polygon with 6 sides
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Name this Polygon Explain how you know by the number of sides
Octagon – it is a polygon with 8 sides
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Name this Polygon Explain how you know by the number of sides
Quadrilateral because it has 4 sides
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Name this Polygon Explain how you know by the number of sides
Pentagon because it has 5 sides
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I can identify various types of quadrilaterals by examining their properties
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Name this Quadrilateral Use your knowledge of properties
to support your answer. Parallelogram – It has opposite sides that are parallel and equal
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Name this Quadrilateral Use your knowledge of properties
to support your answer. Rhombus– It has opposite sides that are parallel and all sides are equal
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Use your knowledge of properties to explain why this is a SQUARE
It is a rectangle that has all equal sides
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Trapezoid – It has ONE set of parallel lines
Name this Quadrilateral Use your knowledge of properties to support your answer. Trapezoid – It has ONE set of parallel lines
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It has opposite sides are equal and parallel
Use your knowledge of properties to explain why this is a PARALLELOGRAM It has opposite sides are equal and parallel
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Parallelogram – It has opposite sides that are parallel
Name this Quadrilateral Use your knowledge of properties to support your answer. Parallelogram – It has opposite sides that are parallel
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Use your knowledge of properties to explain why this is a RHOMBUS
It is a parallelogram with 4 sides that are equal
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Use your knowledge of properties to explain why this is a RECTANGLE
It is a parallelogram that has 4 right angles
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Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer. Polygon or non polygon? Use properties to explain your answer.
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Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer. Polygon or non polygon? Use properties to explain your answer.
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Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer. Polygon or non polygon? Use properties to explain your answer.
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Polygon or non polygon? Use properties to explain your answer.
Is this a quadrilateral? Use your knowledge of properties to support your answer. Polygon or non polygon? Use properties to explain your answer.
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Trapezoid – It has ONE pair of parallel sides
Name this Quadrilateral Use your knowledge of properties to support your answer. Trapezoid – It has ONE pair of parallel sides
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Polygon or non polygon? Use properties to explain your answer.
Is this a parallelogram? Use your knowledge of properties to support your answer. Polygon or non polygon? Use properties to explain your answer.
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Why is this polygon NOT a quadrilateral?
It has six sides, not four
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Why is this quadrilateral NOT a parallelogram
It doesn’t have opposite sides that are parallel and equal
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I can identify various geometric figures
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What is this figure called?
Ray
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What are these figures called?
Parallel lines
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What is this figure called?
Angle
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What is the special name for Point V?
Vertex
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I can distinguish between right angles, obtuse angles and acute angles
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What kind of angle is this –
right, obtuse or acute? Right Angle
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Explain why this is a right or 90 degree angle
It measures exactly 90 degrees
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What kind of angle is this –
right, obtuse or acute? Obtuse Angle
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Explain why this is an obtuse angle
The angle is larger than 90 degrees
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What kind of angle is this –
right, obtuse or acute? Acute Angle
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Explain why this is an acute angle
The angle is less than 90 degrees
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Explain why this is called a right triangle.
It has an angle that is exactly 90 degrees
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