quadrilaterals
TRANSCRIPT
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Objectives:Within the timeframe, the students will be able to:
activate prior knowledge on the characteristics of the types of quadrilaterals;
integrate prior knowledge to the new existing schema;
investigate the similarities and differences of quadrilaterals with the aid of manipulative skills;
construct a schematic diagram of the types of quadrilaterals according to their sides and angles correctly;
show appreciation on the importance of quadrilaterals in real life situation.
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GEOMETRY
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Pillow Traffic Sign
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Television Screen
Monitor
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Building Structure
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Signage Earrings
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Table Lampshade
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TYPES OF
QUADRILATERALS
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SQUARE
Sides: all sides are congruent.
Angles: all angles are congruent.
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RECTANGLE
Sides: 2 sets of sides are congruent.
Angles: all angles are congruent.
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PARALLELOGRAM
Sides: 2 sets of sides are congruent.
Angles: 2 sets of angles are congruent.
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RHOMBUS
Sides: all sides are congruent.
Angles: all are right angle.
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TRAPEZOID
Sides: exactly one pair of sides are parallel.
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Similarities of Rhombus and Square
All sides are equal.
When a square is change in its position as like as diamond which looks like a rhombus will be of the same right angles.
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Similarities of Square and Rectangle
All interior angles are right angles.
Two pairs of sides are parallel.
Two pairs of sides with equal length.
Diagonals bisect one another.
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Similarities of Rectangle and Parallelogram
Opposites sides are parallel.
Both sides are congruent.
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Similarities of Parallelogram and Trapezoid
Both are quadrilaterals and both have 2 sides parallel.
Their interior angles add up to 360 degrees (each).
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Quadrilaterals
Parallelogram
Trapezoid
RectangleRhombus
Square
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What have you learned about quadrilaterals that you have not yet learn from your past lesson?
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What can you say about quadrilaterals?
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Are they important?
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How often do you encounter and make
use of quadrilaterals?
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Quiz: ¼ sheet of paperState whether the statement is True or False.1. A square is a rectangle.2. A rectangle is a square.3. A parallelogram is a
trapezoid.4. A square is a rhombus.5. A parallelogram is a rhombus.
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Assignment: ½ C.WChoose on type of quadrilateral that relates to your personality. How are they related?