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→Concept #3. Types of quadrilaterals
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# They are of different types.+
==Concept #3. Types of quadrilaterals==
==Concept #3. Types of quadrilaterals==
===Learning objectives===
===Learning objectives===
−# Four sided closed figures are called quadrilaterals.
+# Quadrilaterals are of different types.
−# Grouping is made based on the four angle measures and/or sides.
−# Grouping is made based on angle measures and/or sides.
# Each type is recognised with its characteristic properties.
# Each type is recognised with its characteristic properties.
−# The types include parallelogram (square, rectangle, rhombus,) and non-parallelograms (trapezium and kite).
+# The types include regular, non-regular; convex, concave; parallelogram (square, rectangle, rhombus,) and non-parallelograms (trapezium and kite).
===Notes for teachers===
===Notes for teachers===
# This activity can be done after teaching the students about different types of quadrilaterals and their properties.
# This activity can be done after teaching the students about different types of quadrilaterals and their properties.