Describing Triangles and
Quadrilaterals
Describes the attributes/Properties of triangles and quadrilaterals using
concrete objects or models M4GE-IIIb-15
Rommel C. Caagusan
Siapar Integrated School
Review
Kinds of Lines

Identify what kinds of lines are shown in each picture

Intersecting Lines, Parallel Lines Or Perpendicular Lines
Intersecting Lines
Perpendicular Lines
Parallel Lines
Parallel Lines
Intersecting Lines
Review
Kinds of Angles

Identify what kinds of angles are shown in each picture

Right Angle, Acute Angle, Obtuse Angle
Right Angle
Obtuse Angle
Obtuse Angle
Acute Angle
Acute Angle
Look around, can you find different shapes
Can you name them?
In the Math class of Mr. R. Caasi, he ask
his pupils to draw kinds of polygons. Two
pupils showed their drawings. Lino drew
a 3-sided polygon, while Cardo had a 4sided polygon.
This is how the drawings of Lino and
Cardo
Lino’s Drawing
Cardo’s Drawing
How many sides does Lino’s drawing have?
How many sides does Cardo’s drawing have?
What do you call the first drawing?
How about the second one?
What is a polygon?
A polygon is a closed figure made up of several line
segments that are joined together.
What do you call a 3-sided polygon?
What about a 4-sided polygon?
Pick a shape in the box and paste it on the board
Can you give examples of objects that
are triangle in shape?
Can you give examples of objects that
are quadrilateral in shape?
Describe a triangle and a quadrilateral.
Evaluation.
Identify if the illustrations below are
triangles or quadrilaterals
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Assignment:
Draw 3 triangle shape objects; and
4 quadrilateral shape objects