Always, Sometimes or Never? Shape
Are the following statements always true, sometimes true or never true?
How do you know?
Can you find examples or counter-examples for each one?
For the 'sometimes' cards can you explain when they are true? Or rewrite them so that they are always true or never true?
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A hexagon has six equal length sides |
Triangles have a line of symmetry |
|
Squares have two diagonals that |
Cutting a corner off a square makes a pentagon |
|
The base of a pyramid is a square |
A cuboid has two square faces |
What about these more complex statements?
|
When you cut off a piece from |
Triangles tessellate |
|
The number of lines of symmetry |
Quadrilaterals can be cut into two equal triangles |
You could cut out the statement cards and arrange them in this grid. Alternatively, you could use these interactivities to organise your thinking:
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