Identify and draw lines of symmetry in two-dimensional figures.
If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 2 (benefits from worked example). Find more guidance on adapting our math curriculum for remote learning here.
Show the following YouTube video.
All of the following cutout shapes were made the same way, by folding a piece of paper before cutting. Where do you think the paper was folded to make each of the following shapes? Draw a line to show your thinking.
Find the line(s) of symmetry in the following geometric figures.
Garret drew a rhombus on grid paper, and then folded the paper along the rhombus’ line of symmetry. Draw what the grid paper looks like folded.
Felicia drew part of a shape on grid paper. The folded edge is the full shape’s line of symmetry. Draw what the grid paper looks like unfolded.
Which of the following shows a line of symmetry?
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