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1. 1. 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.
2. 2. Pillow Traffic Sign
3. 3. Monitor Television Screen
4. 4. Building Structure
5. 5. Signage Earrings
8. 8. SQUARE  Sides: all sides are congruent.  Angles: all angles are congruent.
9. 9. RECTANGLE  Sides: 2 sets of sides are congruent.  Angles: all angles are congruent.
10. 10. PARALLELOGRAM  Sides: 2 sets of sides are congruent.  Angles: 2 sets of angles are congruent.
11. 11. RHOMBUS  Sides: all sides are congruent.  Angles: all are right angle.
12. 12. TRAPEZOID  Sides: exactly one pair of sides are parallel.
13. 13. 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.
14. 14. 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.
15. 15. Similarities of Rectangle and Parallelogram  Opposites sides are parallel.  Both sides are congruent.
16. 16. Similarities of Parallelogram and Trapezoid  Both are quadrilaterals and both have 2 sides parallel.  Their interior angles add up to 360 degrees (each).
17. 17. Quadrilaterals Parallelogra m Trapezoid Rectangle Rhombus Square
18. 18. What have you learned about quadrilaterals that you have not yet learn from your past lesson?