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Vaara Classroom
CBSE · Class 6
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Chapter 2
Lines and Angles
25 videos in this chapter
Distinguish a point and a line segment
2 videos
Chapter 2
A point tells us where
3:18
A point tells us where
You'll learn: Understand a point as an exact location
Chapter 2
A straight connection between two points
3:20
A straight connection between two points
You'll learn: Recognise a segment and its endpoints
Distinguish a ray and a line
2 videos
Chapter 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
Chapter 2
A line continues in both directions
3:29
A line continues in both directions
You'll learn: Distinguish lines, rays and segments
Name geometric objects correctly
2 videos
Chapter 2
Read and name a geometry diagram
3:25
Read and name a geometry diagram
You'll learn: Name points, segments and lines correctly
Chapter 2
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
Understand an angle as an opening
3 videos
Chapter 2
An angle measures an opening
3:26
An angle measures an opening
You'll learn: Identify an angle in a physical setup
Chapter 2
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
Chapter 2
An angle is an amount of turn
3:21
An angle is an amount of turn
Compare angles despite different arm lengths
2 videos
Chapter 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
Chapter 2
Compare angles by matching their positions
3:33
Compare angles by matching their positions
You'll learn: Use superimposition to compare openings
Recognise types of angles
3 videos
Chapter 2
Right straight and full turns
3:29
Right straight and full turns
You'll learn: Recognise quarter, half and full turns
Chapter 2
Acute and obtuse openings
3:29
Acute and obtuse openings
You'll learn: Compare an opening with a right angle
Chapter 2
The larger opening can be a reflex angle
3:30
The larger opening can be a reflex angle
Use degrees to describe a turn
3 videos
Chapter 2
Degrees give turns a shared unit
3:20
Degrees give turns a shared unit
You'll learn: Understand the degree convention
Chapter 2
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
Chapter 2
Angles on a clock face
3:36
Angles on a clock face
Read a protractor accurately
5 videos
Chapter 2
Place the protractor correctly
3:25
Place the protractor correctly
You'll learn: Align its centre and zero direction
Chapter 2
Choose the scale that starts at zero
3:28
Choose the scale that starts at zero
You'll learn: Read the correct numbered scale
Chapter 2
Measure a rotated diagram
3:34
Measure a rotated diagram
Draw a requested angle
3 videos
Chapter 2
Draw an acute or obtuse angle
3:31
Draw an acute or obtuse angle
You'll learn: Use a baseline, mark and second ray
Chapter 2
Draw from a different baseline direction
3:31
Draw from a different baseline direction
You'll learn: Transfer the method to new orientations
Chapter 2
Make an angle design and verify it
3:32
Make an angle design and verify it
You'll learn: Connect an opening to rotation
You'll learn: Identify the intended angle between the same arms
You'll learn: Apply equal angular spacing to whole hour examples
You'll learn: Measure independently of page orientation
Chapter 2
Find the measure of a reflex angle
3:33
Find the measure of a reflex angle
You'll learn: Use a full turn and the smaller measured opening
Chapter 2
Spot and repair measurement mistakes
3:31
Spot and repair measurement mistakes
You'll learn: Diagnose misalignment and wrong scale readings
You'll learn: Apply drawing and measurement in a small task