Identifying, describing & representing the position of a shape following a reflection

In this lesson, we will learn about a second type of transformation called reflection. We will look at how to reflect shapes across a mirror line on a squared grid.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of the following changes when a point is translated to the right?

The x coordinateThe y coordinateBoth the x and the y coordinatesNeither the x or the y coordinates

1/5

Q2.Which of the following changes when a point is translated down?

The x coordinateThe y coordinateBoth the x and the y coordinateNeither the x or the y coordinates

2/5

Q3.If the point (-3,4) is translated six right and 1 down what will the new translated coordinate be?

(4,-3)(10,3)(3,10)(3,3)

3/5

Q4.If the point (-9,2) is translated nine right and 3 up what will the new coordinate be?

(0,5)(5,0)(-6,11)(11,-6)

4/5

Q5.A triangle with the coordinates (-1,0) (0,1) and (0,0) translates 4 right and 1 up. What are the new translated coordinates?

(3,1) (4,1) (2,4)(3,1) (4,0) (4,2)(3,0) (4,1) (2,4)(3,1) (4,1) (4,2)

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Which of the following changes when a point is translated to the right?

The x coordinateThe y coordinateBoth the x and the y coordinatesNeither the x or the y coordinates

1/5

Q2.Which of the following changes when a point is translated down?

The x coordinateThe y coordinateBoth the x and the y coordinateNeither the x or the y coordinates

2/5

Q3.If the point (-3,4) is translated six right and 1 down what will the new translated coordinate be?

(4,-3)(10,3)(3,10)(3,3)

3/5

Q4.If the point (-9,2) is translated nine right and 3 up what will the new coordinate be?

(0,5)(5,0)(-6,11)(11,-6)

4/5

Q5.A triangle with the coordinates (-1,0) (0,1) and (0,0) translates 4 right and 1 up. What are the new translated coordinates?

(3,1) (4,1) (2,4)(3,1) (4,0) (4,2)(3,0) (4,1) (2,4)(3,1) (4,1) (4,2)

5/5

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >

Quiz:

Identifying, Describing & Representing Position Following a Reflection Quiz

Quiz about reflecting shapes on a grid

Q1.Which of the following statements are correct?

Reflection and Translation are both types of transformationsTranslation is a type of transformation however Reflection is notReflection and Translation are not types of transformationsReflection is the only type of transformation

1/5

Q2.Which of the following is a synonym of the word reflect?

TranslateImageCoordinatingFlip

2/5

Q3.If the vertices A and B were both 4 squares away from the mirror line, then which of the following statements is correct when they are reflected?

Vertices C and D are 2 squares away from the mirror lineVertices C' and D' are also 4 squares away from the mirror lineVertices A' and B' are also 4 squares away from the mirror lineNone of the above

3/5

Q4.Which of the following statements is correct?

A mirror line is a straight vertical lineA mirror line is a straight horizontal line which shows that both sides have exact reflective symmetryA mirror line is a straight vertical line which shows that both sides have exact reflective symmetryA mirror line is a straight line which shows that both sides have exact reflective symmetry

4/5

Q5.If point A is 9 squares away from a mirror line and point B is exactly half way between point A and the mirror line then where is point B'?

4.5 squares away from the mirror line9 squares away from the mirror line4 squares away from the mirror line5.5 squares away from the mirror line

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >

Quiz:

Identifying, Describing & Representing Position Following a Reflection Quiz

Quiz about reflecting shapes on a grid

Q1.Which of the following statements are correct?

1/5

Q2.Which of the following is a synonym of the word reflect?

TranslateImageCoordinatingFlip

2/5

Q3.If the vertices A and B were both 4 squares away from the mirror line, then which of the following statements is correct when they are reflected?

Vertices C and D are 2 squares away from the mirror lineVertices C' and D' are also 4 squares away from the mirror lineVertices A' and B' are also 4 squares away from the mirror lineNone of the above

3/5

Q4.Which of the following statements is correct?

4/5

Q5.If point A is 9 squares away from a mirror line and point B is exactly half way between point A and the mirror line then where is point B'?

4.5 squares away from the mirror line9 squares away from the mirror line4 squares away from the mirror line5.5 squares away from the mirror line

5/5

Lesson summary: Identifying, describing & representing the position of a shape following a reflection

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Using coordinates to describe position after reflection

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Identifying, describing & representing the position of a shape following a reflection

Unit quizzes are being retired in August 2023

Intro quiz - Recap from previous lesson

Unit quizzes are being retired in August 2023

Intro quiz - Recap from previous lesson

Video

Worksheet

Unit quizzes are being retired in August 2023

Identifying, Describing & Representing Position Following a Reflection Quiz

Unit quizzes are being retired in August 2023

Identifying, Describing & Representing Position Following a Reflection Quiz

Lesson summary: Identifying, describing & representing the position of a shape following a reflection

It looks like you have not completed one of the quizzes.

Time to move!

The next lesson in: Transformations is: Using coordinates to describe position after reflection

Browse Oak's lessons:

The next lesson in:
Transformations
is:
Using coordinates to describe position after reflection