Symmetry Lab
Explore mirror symmetry through folding, drawing, and observation.
Grade band 2–3 · Math · 25 minutes
Symmetry Lab
Name: ____________________
Try it
Fold a blank sheet of paper in half. Draw half a butterfly against the fold. Open the paper and draw the matching half.
Count the lines of symmetry
1. A square: ____
2. A non-square rectangle: ____
3. An equilateral triangle: ____
Explain
What makes the two sides of your butterfly match?
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Design
Create a coloring pattern with one line of symmetry. Mark the line with a dotted pencil line.
Answer key or review guide
Symmetry Lab — Answer Key
1. 4
2. 2
3. 3
Butterfly explanation: the shapes on each side reflect across the fold.
Check student patterns by folding or using a mirror.
Use the interactive view to download Letter or A4 PDFs.