Mathematics 4
SS4.4
Demonstrate an understanding of line symmetry by:
- identifying symmetrical 2-D shapes
- creating symmetrical 2-D shapes
- drawing one or more lines of symmetry in a 2-D shape.
[C, CN, V]
Indicators for this outcome
| (a) |
Identify the characteristics of given symmetrical and non-symmetrical 2-D shapes. |
| (b) |
Sort a set of 2-D shapes as symmetrical and non-symmetrical. |
| (c) |
Complete a symmetrical 2-D shape given half the shape and its line of symmetry. |
| (d) |
Explain how symmetry and fractions are related. |
| (e) |
Identify lines of symmetry in a set of 2-D shapes and explain why each shape is symmetrical. |
| (f) |
Determine whether or not a given 2-D shape is symmetrical by using a Mira or by folding and superimposing. |
| (g) |
Create a symmetrical shape with and without manipulatives. |
| (h) |
Provide examples of symmetrical shapes found in the environment and identify the line(s) of symmetry. |
| (i) |
Sort a given set of 2-D shapes as those that have no lines of symmetry, one line of symmetry, or more than one line of symmetry. |
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