
Irregular shapes have sides of unequal length.
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A Rhombus has four sides of equal length but no right angles.
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Let us rotate the wheel.
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Rotation is where you twist or turn something round.
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A square is a shape with four equal straight sides and four right angles.


We also did lots of mental subtraction and addition.
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Line symmetry is when a line drawn through a shape leaves each side a mirror image of the other.
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To be symmetrical is when one shape becomes exactly like another if you flip, slide or turn it.
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Draw a triangle with three equal sides.


The village green is triangular in shape.


A tonne is 1,000 kilograms.


The two lines meet, creating a vertex.


The two types of principal vertices are called 'ears' and 'mouths'.


A vertical cliff is a precipice.


Volume is usually measured in cubic centimeters.


To win the cake you must guess its weight.

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"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."
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