Drawing Quadrilaterals from the Diagonals

Description

This Java applet lets students explore types of quadrilaterals and their diagonal properties by manipulating their vertices. The applet presents a fixed set of diagonals and asks which types of quadrilaterals are constructible, among parallelograms, kites, rhombuses, trapezoids, isosceles trapezoids, squares and rectangles.

15 Tags

5 Learning Standards

Teaches CCSS.Math.Content.4.G.A.2
2. Classify two-dimensional figures based on the presence or absence of parallel or perpendicular lines, or the presence or absence of angles of a specified size. Recognize right triangles as a category, and identify right triangles.

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Teaches CCSS.Math.Content.5.G.B.3
3. Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.

Alignment of the Resource to this Standard

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Teaches CCSS.Math.Practice.MP2
Reason abstractly and quantitatively.

Alignment of the Resource to this Standard

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Teaches CCSS.Math.Practice.MP3
Construct viable arguments and critique the reasoning of others.

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

Teaches CCSS.Math.Practice.MP8
Look for and express regularity in repeated reasoning.

Alignment of the Resource to this Standard

IOER Community Rating: Not Rated

24 Keywords

Middle School Visual representation Mathematics NSDL Construct arguments Concept formation Upper Elementary Process skills Lines and planes Reason abstractly Quadrilaterals Express regularity Education Practice Standards Representation Physics Mathematical language Plane geometry Elementary School Inductive reasoning Reasoning Communication Connections Geometry
#MiddleSchool #Visualrepresentation #Mathematics #NSDL #Constructarguments #Conceptformation #UpperElementary #Processskills #Linesandplanes #Reasonabstractly #Quadrilaterals #Expressregularity #Education #PracticeStandards #Representation #Physics #Mathematicallanguage #Planegeometry #ElementarySchool #Inductivereasoning #Reasoning #Communication #Connections #Geometry

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