Transcript Enlargement (From a Point)

Enlargements from a Given Point
X2
B/
A/
Image
A
D/
B
Object
D
C
To enlarge the rectangle
by scale factor x2 from
the point shown.
1. Draw the ray lines
through vertices.
C/
2. Mark off x2 distances
along each line.
3. Draw and label image.
Or Count
Squares
Centre of Enlargement
Enlargements from a Given Point
Centre of Enlargement
To enlarge the kite by
scale factor x3 from the
point shown.
B
A
Object
C
X3
B/
1. Draw the ray lines
through vertices.
D
C/
A/
Image
2. Mark off x3 distances
along lines from C of E.
3. Draw and label image.
Or Count
Squares
D/
Enlargements from a Given Point
X4
To enlarge the triangle by
scale factor x4 from the
point shown.
B/
1. Draw the ray lines
through vertices.
2. Mark off x4 distances
along lines from C of E.
Image
3. Draw and label image.
B
A/
A
Object
C/
C
Or Count
Squares
Centre of Enlargement
Negative Enlargements from a Given Point
B
A
Object
C
Centre of Enlargement
1. Draw ray lines
from each vertex
through C of E.
D/
D
Image
C/
B/
To enlarge the kite by
scale factor -1 from the
point shown.
A/
2. Mark off x1distances
along lines from C of E.
3. Draw and label image.
Image is Inverted
Or Count
Squares
-1
Negative Enlargements from a Given Point
B
A
Object
C
To enlarge the kite by
scale factor -2 from the
point shown.
Centre of Enlargement
1. Draw ray lines
from each vertex
through C of E.
D/
D
2. Mark off distances x2
along lines from C of E.
Image
C/
3. Draw and label image.
A/
Image is Inverted
B/
Or Count
Squares
-2
Fractional Enlargements from a Given Point
B
A
To enlarge the kite by
scale factor x½ from the
point shown.
C
Object
1. Draw ray lines from
C of E to each vertex.
B/
C/
A/
Image
D
2. Mark halfway
distances along lines.
3. Draw and label image.
½
D/
Centre of Enlargement
Or Count
Squares
Fractional Enlargements from a Given Point
B
A
Object
D
A’
Image
D’
C
B’
C’
Centre of Enlargement
To enlarge the rectangle
by scale factor x1/3
from the point shown.
1. Draw ray lines from
C of E to each vertex.
2. Mark off 1/3 distances
along lines.
3. Draw and label image.
1/3
Or Count
Squares
Enlargements from a Given Point
B/
A/
Image
A
D/
B
1. Draw the ray lines
through vertices.
C/
Object
D
C
No Grid 1
Centre of Enlargement
To enlarge the rectangle
by scale factor x2 from
the point shown.
2. Mark off x 2 distances
along each line.
3. Draw and label image.
Enlargements from a Given Point
Centre of Enlargement
To enlarge the kite by
scale factor x3 from the
point shown.
B
A
Object
C
B/
1. Draw the ray lines
through vertices.
D
C/
A/
Image
No Grid 2
D/
2. Mark off x3 distances
along lines from C of E.
3. Draw and label image.
Enlargements from a Given Point
To enlarge the triangle by
scale factor x4 from the
point shown.
B/
1. Draw the ray lines
through vertices.
2. Mark off x4 distances
along lines from C of E.
Image
3. Draw and label image.
B
A/
No Grid 3
A
Object
C/
C
Centre of Enlargement
Negative Enlargements from a Given Point
B
A
Object
C
Centre of Enlargement
1. Draw ray lines
from each vertex
through C of E.
D/
D
Image
C/
B/
To enlarge the kite by
scale factor -1 from the
point shown.
A/
2. Mark off x1distances
along lines from C of E.
3. Draw and label image.
Image is Inverted
No Grid 4
Negative Enlargements from a Given Point
B
A
Object
C
To enlarge the kite by
scale factor -2 from the
point shown.
Centre of Enlargement
1. Draw ray lines
from each vertex
through C of E.
D/
D
2. Mark off distances x2
along lines from C of E.
Image
C/
A/
B/
No Grid 5
3. Draw and label image.
Image is Inverted
Fractional Enlargements from a Given Point
B
A
To enlarge the kite by
scale factor x½ from the
point shown.
C
Object
1. Draw ray lines from
C of E to each vertex.
B/
C/
A/
Image
D
2. Mark halfway
distances along lines.
3. Draw and label image.
D/
Centre of Enlargement
No Grid 6
Fractional Enlargements from a Given Point
B
A
Object
D
A’
Image
D’
C
B’
C’
Centre of Enlargement
No Grid 7
To enlarge the rectangle
by scale factor x 1/3
from the point shown.
1. Draw ray lines from
C of E to each vertex.
2. Mark off 1/3 distances
along lines.
3. Draw and label image.
Enlargements from a Given Point
To enlarge the rectangle
by scale factor x2 from
the point shown.
A
B
Worksheet 1
Object
D
C
Or Count
Squares
Centre of Enlargement
Enlargements from a Given Point
Centre of Enlargement
B
A
Object
D
C
To enlarge the kite by
scale factor x3 from the
point shown.
Workshe
et 2
Or Count
Squares
Enlargements from a Given Point
To enlarge the triangle by
scale factor x4 from the
point shown.
Worksheet 3
B
A
Object
C
Or Count
Squares
Centre of Enlargement
Negative Enlargements from a Given Point
B
A
Object
C
Centre of Enlargement
To enlarge the kite by
scale factor -1 from the
point shown.
D
Worksheet
4
Or Count
Squares
Negative Enlargements from a Given Point
B
A
Object
C
Centre of Enlargement
To enlarge the kite by
scale factor -2 from the
point shown.
D
Worksheet
5
Or Count
Squares
Fractional Enlargements from a Given Point
B
A
C
To enlarge the kite by
scale factor x½ from the
point shown.
Object
D
Worksh
eet 6
Centre of Enlargement
Or Count
Squares
Fractional Enlargements from a Given Point
B
A
Object
D
To enlarge the rectangle
by scale factor x 1/3
from the point shown.
C
Workshee
t7
Centre of Enlargement
Or Count
Squares
Enlargements from a Given Point
To enlarge the rectangle
by scale factor x2 from
the point shown.
A
B
Object
D
C
Centre of Enlargement
Worksheet
1A
Centre of Enlargement
B
A
Object
D
C
To enlarge the kite by
scale factor x3 from the
point shown.
Workshe
et 2A
Enlargements from a Given Point
To enlarge the triangle by
scale factor x4 from the
point shown.
Worksheet
3A
B
A
Object
C
Centre of Enlargement
Negative Enlargements from a Given Point
B
A
Object
C
Centre of Enlargement
To enlarge the kite by
scale factor -1 from the
point shown.
D
Worksheet
4A
Negative Enlargements from a Given Point
B
A
Object
C
Centre of Enlargement
To enlarge the kite by
scale factor -2 from the
point shown.
D
Worksheet
5A
Fractional Enlargements from a Given Point
B
A
C
To enlarge the kite by
scale factor x½ from the
point shown.
Object
D
Centre of Enlargement
Worksh
eet 6A
Fractional Enlargements from a Given Point
B
A
Object
D
To enlarge the kite by
scale factor x 1/3 from
the point shown.
C
Workshee
t 7A
Centre of Enlargement
Finding the Centre of Enlargement
B/
A/
Image
A
D/
B
C/
The small rectangle has
been enlarged as shown.
Find the centre of
enlargement.
Draw 2 ray lines through
corresponding vertices to
locate.
Object
D
C
Find
Centre 1
Centre of Enlargement
Finding the Centre of Enlargement
B
A
Object
The small kite has been
enlarged as shown. Find
the centre of
enlargement.
C
Centre of Enlargement
D/
D
Draw 2 ray lines through
corresponding vertices to
locate.
Image
C/
A/
B/
Find Centre
2
Finding the Centre of Enlargement.
B
A
The large kite has
been enlarged by scale
factor x ½ as shown.
Find the centre of
enlargement.
C
Object
A/
C/
B/
Image
Draw 2 ray lines through
corresponding vertices to
locate.
D
D/
Centre of Enlargement
Find Centre
3
Finding the Centre of Enlargement
B/
A/
Image
A
D/
B
The small rectangle has
been enlarged as shown.
Find the centre of
enlargement.
C/
Object
D
C
Worksheet
8
Finding the Centre of Enlargement
B
A
Object
The small kite has been
enlarged as shown. Find
the centre of
enlargement.
C
D/
D
Image
C/
A/
B/
Worksheet
9
Finding the Centre of Enlargement.
B
A
The large kite has
been enlarged by scale
factor x ½ as shown.
Find the centre of
enlargement.
C
Object
A/
C/
B/
Image
D
D/
Workshheet
10
Finding the Centre of Enlargement
B/
A/
Image
A
D/
B
The small rectangle has
been enlarged as shown.
Find the centre of
enlargement.
C/
Object
D
C
Worksheet
8A
Finding the Centre of Enlargement
B
A
Object
The small kite has been
enlarged as shown. Find
the centre of
enlargement.
C
D/
D
Image
C/
A/
B/
Worksheet
9A
Finding the Centre of Enlargement.
B
A
The large kite has
been enlarged by scale
factor x ½ as shown.
Find the centre of
enlargement.
C
Object
B/
C/
A/
Image
D
D/
Workshheet
10A