Paper Butterfly Mirror

In the picture

1. 1The vertical crease: the line down the butterfly’s body where the two halves meet.
2. 2The left wing: one half of the butterfly, with its black spot.
3. 3The right wing: the matching half on the other side of the crease.
4. 4The mirror surface: the reflection that shows the other half completed.

Examples

• Your face: the left and right sides match.
• A paper heart folded in half.

Quiz: Paper Butterfly Mirror (Age 8)

1. 1

   What does a line of symmetry do to a shape?

   • It changes the shape’s colour.
   • It splits the shape into two matching halves.
   • It turns the shape into a different shape.
2. 2

   What happens if you fold a shape along its line of symmetry?

   • The two halves cover each other exactly.
   • The shape loses one half.
   • The two halves become different sizes.
3. 3

   If you see only one half of a shape with a line of symmetry, what should the missing half look like?

   • It should be bigger than the half you can see.
   • It should match the half you can see.
   • It should have no matching parts.

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.