Area and Perimeter 3D Shapes

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Presentation transcript:

Area and Perimeter 3D Shapes Week 6 Maths Area and Perimeter 3D Shapes

Try solving these anagrams – they are all related to Area and Perimeter THELNG DITHW RIPMETREE AEAR RELATING

Try solving these anagrams – they are all related to Area and Perimeter THELNG = LENGTH DITHW = WIDTH RIPMETREE = PERIMETER AEAR = AREA RELATING = TRIANGLE

Session Aims Define Area and Perimeter Calculate Area and Perimeter in a range of 2D shapes Including triangles Understand how to find the Area and Perimeter of compound shapes Test prior knowledge of 3D shapes by: Answering quiz questions Identifying edges, corners, and faces Drawing nets of 3D shapes

What is Perimeter? What is Area?

What is Perimeter? It is the distance around a 2D shape What is Area?

What is Perimeter? What is Area? It is the distance around a 2D shape It is the amount of space inside a 2D shape

Calculating Perimeter

Calculating Perimeter Just add all of the sides together: 7 + 7 + 3 + 3 = 20m

Calculating Area 7m 3m 3m 7m

Calculating Area 7m 3m 3m 7m Multiply Length by Width: 7 x 3 = 21m²

Compound Shapes Compound shapes are really just different rectangles joined together. Just find the area of each part and then add them together.