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Can a square be called by any other name? square Is a square JUST a square?

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Presentation on theme: "Can a square be called by any other name? square Is a square JUST a square?"— Presentation transcript:

1 Can a square be called by any other name? square Is a square JUST a square?

2 In this lesson you will learn how to name all the “families” a quadrilateral belongs to by looking at multiple attributes.

3 Let’s Review Quadrilaterals with 2 sets of parallel sides: square rectangle parallelogram rhombus 2 sets of parallel sides 2 pairs of congruent sides 2 sets of parallel sides 2 pairs of congruent sides 4 right angles 2 sets of parallel sides 4 congruent sides 4 right angles 2 sets of parallel sides 4 congruent sides

4 Let’s Review Quadrilaterals with 1 or less sets of parallel sides: trapezoid non-specific quadrilateral isosceles trapezoid 1 set of parallel sides 1 pair of congruent sides 4 sides

5 Let’s Review A Common Mistake Thinking that all quadrilaterals are totally separate from each other. A square and a rectangle are totally different. Right? square rectangle X

6 Let’s Review Core Lesson Compare and contrast a parallelogram and a rhombus. A parallelogram has: 2 sets of parallel sides 2 pairs of congruent sides A rhombus has: 2 sets of parallel sides 4 congruent sides parallelogramrhombus 2 sets of parallel sides 4 congruent sides AT LEAST 2 pairs of congruent sides A rhombus is just a parallelogram with extra attributes, so I say that a rhombus IS a parallelogram. A rhombus is just a parallelogram with extra attributes, so I say that a rhombus IS a parallelogram.

7 Let’s Review Core Lesson Can a square be called by any other name? square A square has: 2 sets of parallel sides 4 congruent sides 4 right angles parallelogram rectangle rhombus trapezoid X Square Rhombus Rectangle Parallelogram Quadrilateral

8 In this lesson you have learned how to name all the “families” a quadrilateral belongs to by looking at multiple attributes.

9 Let’s Review Guided Practice Give all the possible names for a rectangle. rectangle A rectangle has: 2 sets of parallel sides 2 pairs of congruent sides 4 right angles parallelogram rhombus trapezoid square I need 4 congruent sides! XX X Rectangle Parallelogram Quadrilateral

10 Let’s Review Extension Activities Draw a picture of all the kinds of quadrilaterals you know. Below your picture, write the most specific name for that quadrilateral and circle it. Below that, write all the OTHER names you can give to that quadrilateral.

11 Let’s Review Extension Activities Create a graphic representation (example: a shape map) to show how each of the quadrilaterals are connected/related. Be prepared to explain your graphic to another classmate and defend your organization system.

12 Let’s Review Quick Quiz Look at the shape below. List all the names that could be given to this shape. Explain why this shape can be named that way.

13 Let’s Review Quick Quiz When can a rectangle be called a square? List the “more specific” kinds of parallelograms and tell what makes them special.


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