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Lesson details
Key learning points
- In this lesson, we will reflect shapes in lines, describe horizontal and vertical lines with their equations and observe the effect on the reflected images when the 'original' shape is translated.
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7 Questions
Q1.
Choose the words that best fill in the gaps in order: We can __________ a shape about a point called the centre of ___________.
clockwise, rotation
rotate, cross
translate, translation
Q2.
Fill in the gap: Rotations preserve the ________ each vertex is from the centre of rotation.
angle
direction
position
Q3.
The Octagon, Q below is rotated by 180 degrees where will the vertex currently at (3,3) be moved to?
A
C
D
Q4.
The Octagon, Q below is rotated by 180 degrees where will the vertex currently at (2,3) be moved to?
A
B
D
Q5.
Select the option that fills in the gaps best: The transformation from shape J to shape K can be described as a rotation of________ clockwise about the point ________.
270 degrees, E
90 degrees, E
90 degrees, F
Q6.
Select the option that fills in the gaps best: The transformation from shape J to shape M can be described as a rotation of________ anti-clockwise about the point ________.
270 degrees, A
270 degrees, B
270 degrees, C
90 degrees, B
90 degrees, C
Q7.
Describe the rotation fully of B to A.
180 degrees about the orgin
90 degrees about the origin
90 degrees, clockwise about the origin (0,0)
Left turn about cross
7 Questions
Q1.
What is the equation of line A?
x = 2
y = -2
y = 2
Q2.
Fill in the missing gap: We can reflect a shape in a line. A point and it's reflection are __________ from the line of reflection.
away
equivalent
the same
Q3.
Fill in the missing gap: The transformation from A to B can be described as a reflection in the line ____.
x = 0
x = 1
y = 0
Q4.
Describe this transformation.
Reflection in the line y=6
Rotation in the line x=6
Rotation in the line y=6
Transformation from the line 6
Q5.
This shape is reflected in the line y=1. Max says that the point (5,1) will not move. Is he correct?
No, Max is wrong.
Q6.
The shape on the left has been reflected to give the shape on the right. If I move the original shape 2 squares left what would happen to it's image?
Move 2 squares down
Move 2 squares left
Move 2 squares up
Q7.
This shape is reflected in the line y=-2. Where will the image of the co-ordinate (5,1) be?
(-1,1)
(-5, 5)
(5, -2)