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CBSE · Class 6
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Chapter 9
Symmetry
40 videos in this chapter
Symmetry
40 videos
Chapter 9
Find Repeated Parts in Familiar Designs
3:47
Find Repeated Parts in Familiar Designs
You'll learn: Find Repeated Parts in Familiar Designs
Chapter 9
A Line of Symmetry Must Make Mirror Halves
3:40
A Line of Symmetry Must Make Mirror Halves
You'll learn: A Line of Symmetry Must Make Mirror Halves
Chapter 9
Test the Opening Pictures and Three More Figures
3:47
Test the Opening Pictures and Three More Figures
You'll learn: Test the Opening Pictures and Three More Figures
Chapter 9
Fold a Square to Find All Four Axes
3:32
Fold a Square to Find All Four Axes
You'll learn: Fold a Square to Find All Four Axes
Chapter 9
Do Multiple Axes Make Every Diagonal an Axis?
3:43
Do Multiple Axes Make Every Diagonal an Axis?
You'll learn: Do Multiple Axes Make Every Diagonal an Axis?
Chapter 9
Follow the Vertices Through a Reflection
3:30
Follow the Vertices Through a Reflection
You'll learn: Follow the Vertices Through a Reflection
Chapter 9
Make an Ink-Blot Reflection
3:44
Make an Ink-Blot Reflection
You'll learn: Make an Ink-Blot Reflection
Chapter 9
Predict What a Folded Cut Will Become
3:43
Predict What a Folded Cut Will Become
You'll learn: Predict What a Folded Cut Will Become
Chapter 9
Infer the Folds From the Hole Pattern
3:34
Infer the Folds From the Hole Pattern
You'll learn: Infer the Folds From the Hole Pattern
Chapter 9
Complete Hole Patterns From Their Symmetry Lines
3:56
Complete Hole Patterns From Their Symmetry Lines
You'll learn: Complete Hole Patterns From Their Symmetry Lines
Chapter 9
Predict Four Unfolded Cut-Outs
3:49
Predict Four Unfolded Cut-Outs
You'll learn: Predict Four Unfolded Cut-Outs
Chapter 9
Make Two Different Central Square Holes With One Cut
4:00
Make Two Different Central Square Holes With One Cut
You'll learn: Make Two Different Central Square Holes With One Cut
Chapter 9
Count Axes in Three Symmetric Shapes
3:40
Count Axes in Three Symmetric Shapes
You'll learn: Count Axes in Three Symmetric Shapes
Chapter 9
Trace and Test Every Candidate Mirror Line
3:55
Trace and Test Every Candidate Mirror Line
You'll learn: Trace and Test Every Candidate Mirror Line
Chapter 9
Find the Mirror Lines of a Kolam
3:39
Find the Mirror Lines of a Kolam
You'll learn: Find the Mirror Lines of a Kolam
Chapter 9
Can a Triangle Have Exactly Two Lines of Symmetry?
3:41
Can a Triangle Have Exactly Two Lines of Symmetry?
You'll learn: Can a Triangle Have Exactly Two Lines of Symmetry?
Chapter 9
Draw Curved Figures With Exactly One, Two or Four Axes
3:48
Draw Curved Figures With Exactly One, Two or Four Axes
You'll learn: Draw Curved Figures With Exactly One, Two or Four Axes
Chapter 9
Complete a Figure Across One Blue Mirror Line
3:53
Complete a Figure Across One Blue Mirror Line
You'll learn: Complete a Figure Across One Blue Mirror Line
Chapter 9
Complete Six Figures With Two Mirror Axes
3:47
Complete Six Figures With Two Mirror Axes
You'll learn: Complete Six Figures With Two Mirror Axes
Chapter 9
Add Only Two Lines to Make a Symmetric Shape
3:58
Add Only Two Lines to Make a Symmetric Shape
You'll learn: Add Only Two Lines to Make a Symmetric Shape
Chapter 9
A Pinwheel Can Match After a Turn Without a Mirror Line
3:40
A Pinwheel Can Match After a Turn Without a Mirror Line
You'll learn: A Pinwheel Can Match After a Turn Without a Mirror Line
Chapter 9
Track Square Corners Through Four Matching Turns
3:46
Track Square Corners Through Four Matching Turns
You'll learn: Track Square Corners Through Four Matching Turns
Chapter 9
Why Does This Strip Match Only After a Full Turn?
3:41
Why Does This Strip Match Only After a Full Turn?
You'll learn: Why Does This Strip Match Only After a Full Turn?
Chapter 9
Change Fourfold Symmetry Into Twofold Symmetry
3:40
Change Fourfold Symmetry Into Twofold Symmetry
You'll learn: Change Fourfold Symmetry Into Twofold Symmetry
Chapter 9
Three Arms Need Equal Gaps to Match Three Times
3:32
Three Arms Need Equal Gaps to Match Three Times
You'll learn: Three Arms Need Equal Gaps to Match Three Times
Chapter 9
Build Five-, Six- and Sevenfold Designs
3:40
Build Five-, Six- and Sevenfold Designs
You'll learn: Build Five-, Six- and Sevenfold Designs
Chapter 9
Find Matching Angles About the Marked Point
3:35
Find Matching Angles About the Marked Point
You'll learn: Find Matching Angles About the Marked Point
Chapter 9
Which Figures Match More Than Once? Find Their Orders
3:52
Which Figures Match More Than Once? Find Their Orders
You'll learn: Which Figures Match More Than Once? Find Their Orders
Chapter 9
All Matching Angles Follow the Smallest Turn
3:41
All Matching Angles Follow the Smallest Turn
You'll learn: All Matching Angles Follow the Smallest Turn
Chapter 9
A Circle Has Infinitely Many Mirror Lines and Matching Turns
3:42
A Circle Has Infinitely Many Mirror Lines and Matching Turns
You'll learn: A Circle Has Infinitely Many Mirror Lines and Matching Turns
Chapter 9
Spot Rotational Symmetry in Fans, Flowers and Wheels
3:52
Spot Rotational Symmetry in Fans, Flowers and Wheels
You'll learn: Spot Rotational Symmetry in Fans, Flowers and Wheels
Chapter 9
Colour Twelve Sectors to Control the Number of Matches
3:47
Colour Twelve Sectors to Control the Number of Matches
You'll learn: Colour Twelve Sectors to Control the Number of Matches
Chapter 9
Design Figures With Reflection, Rotation or Both
3:58
Design Figures With Reflection, Rotation or Both
You'll learn: Design Figures With Reflection, Rotation or Both
Chapter 9
Use Sixty Degrees to Find a Hidden Smallest Turn
3:48
Use Sixty Degrees to Find a Hidden Smallest Turn
You'll learn: Use Sixty Degrees to Find a Hidden Smallest Turn
Chapter 9
Analyse the Parliament-Building Picture
3:52
Analyse the Parliament-Building Picture
You'll learn: Analyse the Parliament-Building Picture
Chapter 9
Count Symmetries of Regular Polygons
3:43
Count Symmetries of Regular Polygons
You'll learn: Count Symmetries of Regular Polygons
Chapter 9
Does Every Koch Snowflake Stage Have the Same Symmetries?
3:45
Does Every Koch Snowflake Stage Have the Same Symmetries?
You'll learn: Does Every Koch Snowflake Stage Have the Same Symmetries?
Chapter 9
Count the Symmetries of an Ideal Ashoka Chakra
3:54
Count the Symmetries of an Ideal Ashoka Chakra
You'll learn: Count the Symmetries of an Ideal Ashoka Chakra
Chapter 9
Make Tile Patterns With Exactly One or Two Mirror Lines
4:09
Make Tile Patterns With Exactly One or Two Mirror Lines
You'll learn: Make Tile Patterns With Exactly One or Two Mirror Lines
Chapter 9
A Half-Turn Reply Can Win the Six-by-Six Grid Game
3:43
A Half-Turn Reply Can Win the Six-by-Six Grid Game
You'll learn: A Half-Turn Reply Can Win the Six-by-Six Grid Game