Year 5

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

Year 5

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

## Slide deck

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## Lesson details

### Key learning points

- 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.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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### 5 Questions

Q1.

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

Both the x and the y coordinates

Neither the x or the y coordinates

The y coordinate

Q2.

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

Both the x and the y coordinate

Neither the x or the y coordinates

The x coordinate

Q3.

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

(10,3)

(3,10)

(4,-3)

Q4.

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

(-6,11)

(11,-6)

(5,0)

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?

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

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

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

### 5 Questions

Q1.

Which of the following statements are correct?

Reflection and Translation are not types of transformations

Reflection is the only type of transformation

Translation is a type of transformation however Reflection is not

Q2.

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

Coordinating

Image

Translate

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?

None of the above

Vertices C and D are 2 squares away from the mirror line

Vertices C' and D' are also 4 squares away from the mirror line

Q4.

Which of the following statements is correct?

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

A mirror line is a straight vertical line

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

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 squares away from the mirror line

5.5 squares away from the mirror line

9 squares away from the mirror line