Know that a square is a rectangle in which the four sides are of equal length | Maths

Starter quiz

Which of these shapes are quadrilaterals?
- a ✓
- b ✓
- c ✓
- d
Which of these shapes are rectangles?
- a
- b ✓
- c ✓
- d
Which of these shapes are not rectangles?
- a
- b ✓
- c
- d ✓
How many right angles does this shape have?
- '2' ✓
True or false? This shape has one line of symmetry
- True
- False ✓
How many right angles do these three shapes have in total?
- '12' ✓

Exit quiz

Which of these shapes are squares?
- a ✓
- b
- c
- d ✓
Which of these shapes are not squares?
- a
- b ✓
- c ✓
- d
Why is this shape not a square?
- It does not have 4 equal length sides.
- It does not have 4 right angles. ✓
- It does not have reflective symmetry.
- It is not a quadrilateral.
Which of these statements are true for all squares?
- They have 4 right angles. ✓
- They have exactly two lines of symmetry.
- They have 4 sides that are equal in length. ✓
How many lines of symmetry does a square have?
- '4' ✓
Look at this pattern. How many squares are there altogether?
- '10' ✓

Worksheet

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Presentation

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Lesson Details

Key learning points

The definition of a square is a rectangle with all four sides the same length.
A square has four right angles at its vertices.
A square can rest on a side or a vertex.

Common misconception

Pupils may not realise that squares are rectangles.

Emphasise to pupils that all squares are rectangles but not all rectangles are squares. Rectangles are quadrilaterals with 4 right angles, but squares have 4 sides of equal length.

Keywords

Rectangle - A rectangle is a 2D shape with four straight sides and four right angles.
Square - A square is a 2D shape with four equal straight sides.