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# Shapes

Learn

Cousin Fal's shape collectionRecognizing shapesPolygons review

Practice

Compare shapesGet 5 of 7 questions to level up!

Name shapes 3Get 5 of 7 questions to level up!

Name shapes 4Get 5 of 7 questions to level up!

Learn

Intro to quadrilateralRight angles in shapes (informal definition)Identifying quadrilateralsQuadrilateral propertiesQuadrilateral typesClassifying quadrilateralsKites as a geometric shapeQuadrilaterals review

Practice

Identify quadrilateralsGet 5 of 7 questions to level up!

Classify quadrilateralsGet 3 of 4 questions to level up!

Analyze quadrilateralsGet 3 of 4 questions to level up!

Quadrilateral typesGet 3 of 4 questions to level up!

Learn

Classifying triangles Classifying triangles by anglesWorked example: Classifying triangles Construct a triangle with constraintsTypes of triangles review

Practice

Identify triangles by anglesGet 5 of 7 questions to level up!

Identify triangles by side lengthsGet 5 of 7 questions to level up!

Classify triangles by both sides and anglesGet 3 of 4 questions to level up!

Constructing trianglesGet 3 of 4 questions to level up!

Learn

Classifying shapes by line and angles typesClassifying shapes by lines and angles

Practice

Classify shapes by line and angle typesGet 5 of 7 questions to level up!

Properties of shapesGet 3 of 4 questions to level up!

Learn

Angles in a triangle sum to 180° proofTriangle exterior angle exampleWorked example: Triangle angles (intersecting lines)Worked example: Triangle angles (diagram) Triangle angle challenge problemTriangle angle challenge problem 2Ordering triangle sides and angles exampleTriangle angles review

Practice

Find angles in trianglesGet 5 of 7 questions to level up!

Find angles in isosceles trianglesGet 3 of 4 questions to level up!

Finding angle measures between intersecting linesGet 3 of 4 questions to level up!

Finding angle measures using trianglesGet 5 of 7 questions to level up!

Ordering triangle sides and anglesGet 5 of 7 questions to level up!

Learn

Counting faces and edges of 3D shapesRecognizing common 3D shapes

Practice

Identify parts of 3D shapesGet 5 of 7 questions to level up!

Identify geometric solids (3D shapes)Get 5 of 7 questions to level up!