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# Unit 1: Area and surface area

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Finding area by rearranging parts

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Area of parallelograms

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Area of a parallelogramFinding height of a parallelogram

Practice

Area of parallelogramsGet 3 of 4 questions to level up!

Find missing length when given area of a parallelogramGet 3 of 4 questions to level up!

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Area of triangles

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Area of a triangleFinding area of trianglesTriangle missing side example

Practice

Find base and height on a triangleGet 3 of 4 questions to level up!

Area of right trianglesGet 3 of 4 questions to level up!

Area of trianglesGet 5 of 7 questions to level up!

Find missing length when given area of a triangleGet 3 of 4 questions to level up!

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Area of composite shapes

Practice

Area of composite shapesGet 3 of 4 questions to level up!

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Surface area of a box (cuboid)

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Counting faces and edges of 3D shapesRecognizing common 3D shapesIntro to nets of polyhedra

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!

Nets of polyhedraGet 3 of 4 questions to level up!

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Surface area using a net: triangular prism

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Surface area using netsGet 3 of 4 questions to level up!

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Surface area of a box using netsSurface area review

Practice

Find surface area by adding areas of facesGet 3 of 4 questions to level up!

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Surface area word problem example

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Surface areaGet 3 of 4 questions to level up!

Surface area word problemsGet 3 of 4 questions to level up!

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Squaring numbers

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Evaluating expressions with variables: cubes