Page 224 - NUMINO TG_3A

14Mirror Mirror on the Wall Unit
Material Mirror
Objective: Learn about the mirror images of different shapes and numbers Have students learn how to recognize
Place a mirror on different parts of the triangle. Draw the shapes.
14. Mirror Mirror on the Wall 127
Problem: Place a mirror along line A and B. The
direction in which you should place the
mirror is indicated by the arrow. Draw the
shape you would see in each box.
A
B
symmetrical shapes using a triangle.
Have students make various shapes by
placing a mirror in different ways on a shape
of a triangle. Then draw the shapes.
The shape of a triangle will change
depending on where you place the mirror on
the shape.
Mirror Mirror
Case 1 Case 2
Mirror
Mirror
Case 3 Case 4
3. Check Point
In this unit, students will learn about
symmetrical shapes. They will need to learn
this before they go onto learning about line of
symmetry. Please do not teach them about
the line of symmetry in this unit.
Solution: You can place the mirror in two different
directions to make the shapes shown below.
Answer: A. B.
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