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Quadrilaterals.

Home > PowerPoint Slides > Quadrilaterals.
Published in: Mathematics
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Lets learn about quadrilaterals.

Narvindar J / Kuala Lumpur

5 years of teaching experience

Qualification: Degree and CICTL

Teaches: Mathematics, Science

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  1. Chapter 3: 2D Shapes and Angles 3.1 Identify, describe, classify and sketch quadrilaterals
  2. LO: We are learning to identify, describe, classify and sketch quadrilaterals.
  3. Success Criteria 1. 2. 3. I can identify and describe quadrilaterals. I can classify quadrilaterals. I can sketch quadrilaterals.
  4. Starter: What am l? Riddle I have many shapes I look square from outside, Circle when opened and Triangle when taken out. What am l? Answer PIZZA It is packed in a square box, cooked in circular shape. And eater in triangular.
  5. What is a Quadrilateral? A quadrilateral is a flat, two-dimensional shape that has four sides and four corners, or vertices. The word part "quad" means 4 and "lateral" means sides. Look around you. Do you see shapes in this room that could be called quadrilaterals?
  6. Quadrilaterals in Real Life Quadrilateral Real Life Examples
  7. What are parallel lines and lines of symmetry? Parallel lines are two or more lines that are the same distance apart and will never meet. Lines of symmetry are lines that cuts a shape exactly in half.
  8. Lets watch a video https://wvvw.youtube.com/watch?v—WMkV_ulku9Q
  9. Types of Quadrilaterals • • Squares Rectangles Parallelograms Rhombuses Trapeziums Kite
  10. Properties of a Square Ralph bought a pack of toy blocks. He sorts the toy blocks into groups. These are squares. Opposite sides of a square are parallel and all sides are equal. There are 4 right angles in a square. A square has 4 lines of symmetry.
  11. Properties of a Rectangle These are rectangles. Opposite sides of a rectangle are parallel and equal. There are 4 right angles in a rectangle. A rectangle has 2 lines of symmetry.
  12. Properties of a Parallelograms These are parallelograms. Opposite sides of a parallelogram are parallel and equal. A parallelogram has no lines of symmetry.
  13. Properties of a Rhombuses These are rhombuses. Opposite sides of a rhombus are parallel and all sides are equal. A rhombus has 2 lines of symmetriß
  14. Properties of Trapeziums and Kites These are trapeziums. A trapezium has 1 pair of parallel lines. All quadrilaterals have 2 dagonals each These are kites. Adjacent sides of a kite are equal. A kite has 1 line of symmetry.
  15. Similarities and Differences Look at the chart. Can you think of the similarities and differences between the shapes? A parallelogram has two parallel pairs of opposite sides. A rectangle has two pairs of opposite sides parallel, and four right angles. It is also a parallelogram, since it has two pairs of parallel sides. A square •has two pairs of parallel sides, four right angles, and all four sides are equal. It is also a rectangle and a parallelogram. A rhombus is defined as a parallelogram with four equal sides. Is a rhombus always a rectangle? No, because a rhombus does not have to have 4 right angles. Trapezoids only have one pair of parallel sides. It's a type of quadrilateral that is not a parallelogram. (British name: Trapezium Kites have two pairs of adjacent sides that are equal.
  16. Plenary: Decomposing Shapes, Ron uses some toy blocks to make a parallelogram. The parallelogram is decomposed into triangles and _ rectangle.
  17. Plenary: Decomposing Shapes, Now you try. How many shapes are the house made of? shutterstockcom • 1902822310

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