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Learn about quadrilaterals - polygons with 4 angles and sides. Discover parallelograms, rectangles, squares, trapezoids, and rhombuses. Test your knowledge with interactive quizzes and hands-on projects.
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Quadrilaterals Created by: D. Smith
Lesson Objective(s) Students understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.
Definition • Polygon – a closed many straight-sided figure. Home Page
Definition • Quadrilateral – a polygon with 4 angles and 4 straight sides. Home Page
Quadrilateral Family Parallelogram Rectangle Trapezoid Square Rhombus Home Page
Watch the“We’ve Got Some Shapes” Video Home Page
Time to Test Your Knowledge Home Page
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Question 1 Which statement is true? • All quadrilaterals are parallelograms • All trapezoids are squares • All rectangles are squares • All parallelograms have 4 right angles Home Page
Question 2 Which is not true about squares? • A square has four 90⁰ angles • A square is a rhombus • A square has one pair of parallel lines • A square is a rectangle Home Page
Question 3 Which shape has 2 congruent sides, 1 right angle and 1 pair of parallel lines? • Square • Trapezoid • Rectangle • Rhombus Home Page
Question 4 True or False. A square is not a kite. • True • False Home Page
Directions: Now that you are more familiar with quadrilaterals, you are to choose an activity to complete. You will be presenting your final project to the class. If you would like to complete more than one project, that is fine. Home Page
Lesson Recap Students understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.