Geometry Learning - Lines of Symmetry Activities

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Lines
 
of
Symm
e
try
Monday 20
th
 April
Find one line 
of 
symmetry 
in
 
these 
shapes
.
 
Activity
 
1
 
Lines 
of
 
Symmetry
 
Explain 
what 
you 
understand 
by 
the 
term
 
‘symmetrical’.
 
?
 
4
 
Properties 
of 
Shapes
 
2
Using 
folding, 
find 
the 
lines 
of 
symmetry 
in
 
these 
shapes.
 
Activity
 
1
 
Lines 
of
 
Symmetry
 
4
 
Properties 
of 
Shapes
 
3
Sort 
the 
shapes 
into 
the
 
table.
 
Activity
 
2
 
Lines 
of
 
Symmetry
 
How 
can 
you 
tell 
if 
something
 
is 
symmetrical?
 
?
 
4
 
Properties 
of 
Shapes
 
4
Sort 
the 
shapes 
into 
the
 
table.
 
Activity
 
2
 
Lines 
of
 
Symmetry
 
4
 
Properties 
of 
Shapes
 
5
Sort 
the 
shapes 
into 
the
 
table.
 
Activity
 
2
 
Lines 
of
 
Symmetry
 
4
 
Properties 
of 
Shapes
 
6
Sort 
the 
shapes 
into 
the
 
table.
 
Activity
 
2
 
Lines 
of
 
Symmetry
 
4
 
Properties 
of 
Shapes
 
7
Draw 
the 
lines 
of 
symmetry 
in 
these 
shapes 
(you 
could 
use
folding 
to 
help 
you). 
What 
do
 
you 
notice?
 
Activity
 
3
 
Lines 
of
 
Symmetry
 
Are 
lines 
of 
symmetry 
always
 
vertical?
 
?
 
4
 
Properties 
of 
Shapes
 
8
Draw 
the 
lines 
of 
symmetry 
in 
these 
shapes 
(you 
could 
use
folding 
to 
help 
you). 
What 
do
 
you 
notice?
 
Activity
 
3
 
Lines 
of
 
Symmetry
 
4
 
Properties 
of 
Shapes
 
9
 
Lines 
of
 
Symmetry
 
Reasoning
 
1
 
How 
many 
symmetrical 
shapes 
can 
you 
make 
by
colouring 
in 
a 
maximum 
of 
four
 
squares?
 
4
 
Properties 
of 
Shapes
 
10
 
Lines 
of
 
Symmetry
 
Reasoning
 
1
 
How 
many 
symmetrical 
shapes 
can 
you 
make 
by
colouring 
in 
a 
maximum 
of 
four
 
squares?
There 
are 
a 
variety 
of
 
options.
Some 
examples
 
include:
 
4
 
Properties 
of 
Shapes
 
11
 
Lines 
of
 
Symmetry
 
Reasoning
 
2
 
Is 
Zach 
correct? Prove
 
it.
 
A 
triangle has 
one 
line
of 
symmetry 
unless 
you
change 
the
 
orientation.
 
Z
a
c
h
 
4
 
Properties 
of 
Shapes
 
12
 
Lines 
of
 
Symmetry
 
Reasoning
 
2
 
Zach 
is 
incorrect. 
A 
triangle 
may 
have 
one 
or 
three 
lines 
of
symmetry depending 
on 
its 
nature. 
Changing 
the 
orientation
does 
not 
change 
the 
lines 
of 
symmetry. 
Children 
should 
prove
this 
by 
drawing 
shapes 
in 
different 
orientations 
and 
identifying
the 
number 
of 
lines 
of
 
symmetry.
 
A 
triangle has 
one 
line 
of
symmetry 
unless 
you
change 
the
 
orientation.
 
Z
a
c
h
 
 
4
 
Properties 
of 
Shapes
 
13
 
Lines 
of
 
Symmetry
 
Reasoning
 
3
 
“A 
four-sided shape 
has 
four 
lines
of
 
symmetry.”
 
A
l
w
a
y
s
,
 
S
o
m
e
ti
m
e
s
,
 
N
e
v
e
r
?
 
4
 
Properties 
of 
Shapes
 
14
 
Lines 
of
 
Symmetry
 
Reasoning
 
3
 
Sometimes, 
provided 
that 
the 
shape 
is 
a 
square
or 
a
 
rhombus.
 
“A 
four-sided shape 
has 
four 
lines
of
 
symmetry.”
 
A
l
w
a
y
s
,
 
S
o
m
e
ti
m
e
s
,
 
N
e
v
e
r
?
 
4
 
Properties 
of 
Shapes
 
15
 
Discussion
 
Lines 
of
 
Symmetry
 
Explain 
what 
you 
understand 
by 
the 
term
 
‘symmetrical’.
Can 
you 
give 
any 
real-life
 
examples?
 
How 
can 
you 
tell 
if 
something 
is
 
symmetrical?
Are 
lines 
of 
symmetry 
always
 
vertical?
 
Does 
the 
orientation of 
the 
shape 
affect 
the 
lines 
of
 
symmetry?
 
What 
equipment 
could 
you 
use 
to 
help 
you 
find 
and 
identify
lines  
of
 
symmetry?
 
What 
would 
the 
rest 
of 
the 
shape 
look
 
like?
 
4
 
Properties 
of 
Shapes
 
16
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Explore various activities focused on lines of symmetry in shapes. Engage in identifying symmetrical shapes, finding lines of symmetry through folding, sorting shapes based on symmetrical properties, drawing lines of symmetry, and reasoning about symmetrical shapes. Enhance your understanding of symmetry concepts and properties through interactive exercises and visual examples.

  • Geometry
  • Symmetry
  • Shapes
  • Activities
  • Learning

Uploaded on Jul 25, 2024 | 2 Views


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Presentation Transcript


  1. Lines of Symmetry Monday 20th April

  2. Lines ofSymmetry Activity 1 Find one line of symmetry in these shapes. ? Explain what you understand by the term symmetrical . 4 Properties of Shapes 2

  3. Lines ofSymmetry Activity 1 Using folding, find the lines of symmetry in these shapes. 4 Properties of Shapes 3

  4. Lines ofSymmetry Activity 2 Sort the shapes into the table. 1 line of symmetry More than 1 line of symmetry Up to 4 sides More than 4 sides ? How can you tell if somethingis symmetrical? 4 Properties of Shapes 4

  5. Lines ofSymmetry Activity 2 Sort the shapes into the table. 1 line of symmetry More than 1 line of symmetry Up to 4 sides More than 4 sides 4 Properties of Shapes 5

  6. Lines ofSymmetry Activity 2 Sort the shapes into the table. 1 line of symmetry More than 1 line of symmetry Up to 4 sides More than 4 sides 4 Properties of Shapes 6

  7. Lines ofSymmetry Activity 2 Sort the shapes into the table. 1 line of symmetry More than 1 line of symmetry Up to 4 sides More than 4 sides 4 Properties of Shapes 7

  8. Lines ofSymmetry Activity 3 Draw the lines of symmetry in these shapes (you could use folding to help you). What do you notice? ? Are lines of symmetry alwaysvertical? 4 Properties of Shapes 8

  9. Lines ofSymmetry Activity 3 Draw the lines of symmetry in these shapes (you could use folding to help you). What do you notice? 4 Properties of Shapes 9

  10. Lines ofSymmetry Reasoning1 How many symmetrical shapes can you make by colouring in a maximum of foursquares? 4 Properties of Shapes 10

  11. Lines ofSymmetry Reasoning1 How many symmetrical shapes can you make by colouring in a maximum of foursquares? There are a variety of options. Some examplesinclude: 4 Properties of Shapes 11

  12. Lines ofSymmetry Reasoning2 A triangle has one line of symmetry unless you changetheorientation. Zach Is Zach correct? Prove it. 4 Properties of Shapes 12

  13. Lines ofSymmetry Reasoning2 A triangle has one line of symmetry unless you change theorientation. Zach Zach is incorrect. A triangle may have one or three lines of symmetry depending on its nature. Changing the orientation does not change the lines of symmetry. Children should prove this by drawing shapes in different orientations and identifying the number of lines ofsymmetry. 4 Properties of Shapes 13

  14. Lines ofSymmetry Reasoning3 Always, Sometimes, Never? A four-sided shape has four lines of symmetry. 4 Properties of Shapes 14

  15. Lines ofSymmetry Reasoning3 Always, Sometimes, Never? A four-sided shape has four lines of symmetry. Sometimes, provided that the shape is a square or a rhombus. 4 Properties of Shapes 15

  16. Lines ofSymmetry Discussion Explain what you understand by the term symmetrical . Can you give any real-lifeexamples? How can you tell if something is symmetrical? Are lines of symmetry always vertical? Does the orientation of the shape affect the lines of symmetry? What equipment could you use to help you find and identify lines ofsymmetry? What would the rest of the shape look like? 4 Properties of Shapes 16

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