Spellzone list 

Key words for GCSE Maths
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rotation |
Rotation is when you turn something.
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scale |
Scale factor is how much you increase or decrease the size of a shape by.
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factor |
Scale factor is how much you increase or decrease the size of a shape by.
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segment |
A segment is a section.
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concentric |
Concentric circles share the same centre.
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parallel |
Parallel lines are the same distance apart and never touching.
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elevation |
Elevation refers to the height of an angle.
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sector |
A part of a circle is a sector.
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transformation |
A transformation is a change.
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solid |
A 3D shape is a solid.
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regular |
A regular shape has sides and angles that are all the same size.
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irregular |
An irregular shape has no sides and angles that are the same size.
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dimension |
A shape's dimension is the size of its sides.
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depth |
The depth of a 3D shape is how deep it is.
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adjacent |
Adjacent lines are next to each other.
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vertex |
A vertex or corner is where two or more lines or sides meet.
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vertices |
Vertices is the plural of vertex.
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