Identifies
Quadrilaterals That
are Parallelograms.
Objectives:
a. Recall the different kinds of quadrilaterals.
b. Identify quadrilaterals that are
parallelogram.
c. Appreciate the importance of
quadrilaterals in real – life.
Answer the following:
1. What have you observed on the pictures shown
on the TV screen?
2. Which of the pictures represents a quadrilateral?
3. Can you give some significance of their
designs?
4. What kind of quadrilaterals are shown by the
pictures?
GENERALIZATION
Quadrilateral is a closed figure with four sides.
Parallelogram is a quadrilateral with two pairs of opposite
sides parallel.
Rectangle is a parallelogram with all angles are right.
Rhombus is a parallelogram with all sides are congruent.
Square is a rectangle with all sides congruent and a rhombus
with all angles are right.
APPLICATION
Name of the objects that represent
parallelogram in this room.
ASSIGNMENT
1.Follow-up Name 5 things inside your house that
represent parallelogram.
2.2. Study The conditions that guarantee a
quadrilateral a parallelogram (Properties of a
parallelogram).

math9q3w1s1.pptx mathematics 9 quarter three

  • 1.
  • 2.
    Objectives: a. Recall thedifferent kinds of quadrilaterals. b. Identify quadrilaterals that are parallelogram. c. Appreciate the importance of quadrilaterals in real – life.
  • 4.
    Answer the following: 1.What have you observed on the pictures shown on the TV screen? 2. Which of the pictures represents a quadrilateral? 3. Can you give some significance of their designs? 4. What kind of quadrilaterals are shown by the pictures?
  • 9.
    GENERALIZATION Quadrilateral is aclosed figure with four sides. Parallelogram is a quadrilateral with two pairs of opposite sides parallel. Rectangle is a parallelogram with all angles are right. Rhombus is a parallelogram with all sides are congruent. Square is a rectangle with all sides congruent and a rhombus with all angles are right.
  • 10.
    APPLICATION Name of theobjects that represent parallelogram in this room.
  • 12.
    ASSIGNMENT 1.Follow-up Name 5things inside your house that represent parallelogram. 2.2. Study The conditions that guarantee a quadrilateral a parallelogram (Properties of a parallelogram).