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What's on the worksheet
- Write the number of sides of each polygon:heptagonquadrilateralnonagonhexagondecagon
- Count the sides of each glass piece A to F, name it, and find the concave ones.
- Is Owen right that his shape with 8 dots is an octagon? Count its vertices.
- Write always, sometimes or never for each statement about polygons, with a reason.
- Name the shape of the gazebo floor from its 7 posts and work out the railing.
- Name the outline Mia makes by taping squares and triangles along whole sides.
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The free lesson teaches it with worked examples and practice problems.
Naming and classifying polygons: the lesson ›More Chapter 12 worksheets: Lines, angles, symmetry and classifying shapes
- 12.1Acute, right, obtuse and straight angles
- 12.2Perpendicular lines
- 12.3Parallel lines
- 12.4Classifying triangles
- 12.5Naming and classifying polygons
- 12.6Line symmetry