Intro to Symmetry (Part 2) | What is Symmetry? | Lines of Symmetry
From Math with Mr. J
5 min4thMath
Summary
What a line of symmetry is and how to find one in a shape. Mr. J folds shapes to test for symmetry.
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Teaching resources
Discussion questions
A line of symmetry splits a shape into two matching halves.
- What makes a line a line of symmetry?
- How can folding test for symmetry?
- How many lines of symmetry does a square have?
Quick work-a-long
Words to know: symmetry, line of symmetry, halves
- Draw a shape and all of its lines of symmetry.
- Find a classroom object that has a line of symmetry.

