2D shapes © www.SaveTeachersSundays.com 2013. 2D shapes How do most 2D shapes get their names? 3 – Triangle 5 – Pentagon 6 – Hexagon 7- Heptagon 8 – Octagon.

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Presentation transcript:

2D shapes ©

2D shapes How do most 2D shapes get their names? 3 – Triangle 5 – Pentagon 6 – Hexagon 7- Heptagon 8 – Octagon 10 - Decagon © Can you think of some shapes that are just named after how many corners and sides they have? From how many corners and sides they have

Polygons and non-polygons A polygon is a closed 2-D shape with straight sides Which of these shapes is a polygon? ©

To access the remaining 12 slides, covering: tips for remembering names of 2D shapes difference between squares and rectangles difference between circles and ovals / ellipses difference between regular and irregular shapes different quadrilaterals and their properties visit 3/105/2d-shapes/