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A straight connection between two points

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Lines and Angles · Distinguish a point and a line segment · 3:20

You'll learn: Recognise a segment and its endpoints

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A straight connection between two points

3:20

Playing

A straight connection between two points

You'll learn: Recognise a segment and its endpoints

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Same topic

Distinguish a point and a line segment

1

A point tells us where
3:18
A point tells us where
You'll learn: Understand a point as an exact location

Next topic

Distinguish a ray and a line

2

A ray starts here and continues
3:19
A ray starts here and continues
You'll learn: Recognise one starting point and a direction
A line continues in both directions
3:29
A line continues in both directions
You'll learn: Distinguish lines, rays and segments

Next topic

Name geometric objects correctly

2

Read and name a geometry diagram
3:25
Read and name a geometry diagram
You'll learn: Name points, segments and lines correctly
The starting point comes first for a ray
3:12
The starting point comes first for a ray
You'll learn: Explain why ray names have an order

Next topic

Understand an angle as an opening

3

An angle measures an opening
3:26
An angle measures an opening
You'll learn: Identify an angle in a physical setup
The vertex and arms tell us which angle
3:20
The vertex and arms tell us which angle
You'll learn: Name an angle with its vertex in the middle
An angle is an amount of turn
3:21
An angle is an amount of turn
You'll learn: Connect an opening to rotation

Next topic

Compare angles despite different arm lengths

2

Longer arms do not make a larger angle
3:32
Longer arms do not make a larger angle
You'll learn: Compare the opening rather than the drawn lengths
Compare angles by matching their positions
3:33
Compare angles by matching their positions
You'll learn: Use superimposition to compare openings

Next topic

Recognise types of angles

3

Right straight and full turns
3:29
Right straight and full turns
You'll learn: Recognise quarter, half and full turns
Acute and obtuse openings
3:29
Acute and obtuse openings
You'll learn: Compare an opening with a right angle
The larger opening can be a reflex angle
3:30
The larger opening can be a reflex angle
You'll learn: Identify the intended angle between the same arms

Next topic

Use degrees to describe a turn

2

Degrees give turns a shared unit
3:20
Degrees give turns a shared unit
You'll learn: Understand the degree convention
Use reference turns to estimate an angle
3:33
Use reference turns to estimate an angle
You'll learn: Connect reference turns to degree measures