# Describing position following a reflection with missing coordinates

## Lesson details

### Key learning points

1. In this lesson, we will find missing coordinates of a shape after it has been reflected.

### Licence

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## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
When the coordinate (5,5) is translated 5 squares down, what is the new translated coordinate?
(-5,5)
(0,5)
(5,5)
Q2.
When the coordinate (5,5) is translated 5 squares left, what is the new translated coordinate?
(-5,5)
(5,0)
(5,5)
Q3.
A square with coordinates A(-6,-3), B(-6,-6) and C(-3,-6) is translated 10 squares right, what is the coordinate of D'?
(-3,7)
(4,-3)
(4,-6)
Q4.
(6,4) and (1,7) are 2 vertices of a rectangle. When the shape is translated 4 squares to the left, what are the translated vertices of the missing 2 coordinates?
Correct answer: (-3,4) (2,7)
(-3,4) (4,3)
(-3,4) (6,7)
(1,4) (6,7)
Q5.
(5,-4) and (10,-6) are two vertices of a rectangle, what are the coordinates of the missing two vertices after they have been translated 10 squares left and 6 squares up?
(-5,-1) (0,3)
(-5,-6) (0,-4)
Correct answer: (-5,0) (0,2)
(5,-6) (10,-4)

## Exit quiz

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### 5 Questions

Q1.
When the coordinate (2,-3) is reflected by a line of reflection along the y-axis, what is the new reflected coordinate?
(-3,2)
(2,2)
(3,-2)
Q2.
When the coordinate (2,-3) is reflected by a line of reflection along the x-axis, what is the new reflected coordinate?
(-2,-3)
(-2,3)
(3,2)
Q3.
A triangle with coordinates (4,7), (4,1) and (6,1) is reflected by a line of reflection along the x-axis, what are the reflected coordinates?
(-4,-7) (-4,-1) (-6,-1)
(-4,7) (-4,1) (-6,1)
Correct answer: (4,-7) (4,-1) (6,-1)
(4,8) (4,6) (6,3)
Q4.
(-5,-5) and (-6,-6) are 2 vertices of a square. When the shape is reflected by a line of reflection along the y-axis, what are the translated vertices of the missing 2 coordinates?
(-5,5) and (-6,6)
(-6,5) and (-5,6)
(5,6) and (6,5)
Correct answer: (6,-5) and (5,-6)
Q5.
(5,-4) and (10,-6) are two vertices of a rectangle, what are the coordinates of the missing two vertices after they have been reflected by a line of reflection along the x-axis and then reflected by a line of reflection along the y-axis?
Correct answer: (-10,4) (-5,6)
(-5,-6) (0,-4)
(10,4) (5,6)
(5,-6) (10,-4)