Compare and Classify Quadrilaterals
Presentation
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Mathematics
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2nd - 4th Grade
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Practice Problem
•
Medium
Standards-aligned
Anthony Catamas
Used 270+ times
FREE Resource
14 Slides • 7 Questions
1
Compare and Classify Quadrilaterals
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Right Angles
Right Angles are angles that are made when two sides meet to create a PERFECT corner.
You can find right angles all around you! Look around, do you see any??
3
Right Angles
Right Angles are angles that are made when two sides meet to create a PERFECT corner.
You can find right angles in common shapes like SQUARES and RECTANGLES!
4
Multiple Choice
Does this shape (Trapezoid) have any right angles?
5
Multiple Choice
Does this quadrilateral (Square) have any right angles?
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Polygons
Shapes that have no gaps or overlaps between the straight sides are called polygons!
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Non Examples of a Polygon
The picture show is two examples of shapes that are not polygons.
**Polygons have 3 or more STRIAGHT SIDES
***Polygons do not have GAPS anywhere
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Multiple Choice
Is this a polygon?
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Quadrilaterals
polygons with four straight sides are called quadrilaterals
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Parallel Lines
Parallel Lines are lines that will NEVER cross or touch each other!
A rectangle has (2) sets of Parallel lines.
For Example:
Side A is parallel to side B
and
Side C is parallel to side D
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Multiple Choice
Does this quadrilateral have parallel lines?
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Parallel lines
Some Figures have four sides but only 1 set of Parallel Lines
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Multiple Choice
Does this quadrilateral have parallel lines?
14
Multiple Choice
Does this quadrilateral (Rhombus) have parallel lines?
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Rhombus
A rhombus may not have any right angles, BUT it does have (2) sets of Parallel lines!
**Remember a "set" means two, just like a "pair" means two
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Parallelogram
These are four-sided figures that have EXACTLY two sets of Parallel Lines.
17
Multiple Choice
Is this square also a parallelogram
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Parallelogram? YES!
ALL squares can also be classified as parrallelogram because squares have (2) sets of Parallel Lines!
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Polygon Wrap up
Polygons have 3 or more Straight Angles.
No Open gaps and no curves.
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Right Angle Wrap up
The point where sides meet to make a "perfect" corner an angle.
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Parallel Line Wrap Up
Parallel sides are straight lines that will never cross or touch
Compare and Classify Quadrilaterals
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