New
New
Year 10
Higher

Multiple transformations

I can carry out multiple transformations on a shape.

New
New
Year 10
Higher

Multiple transformations

I can carry out multiple transformations on a shape.

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Lesson details

Key learning points

  1. A shape can be transformed more than once.
  2. The first transformation is performed on the object.
  3. The second transformation is performed on the image.
  4. The third transformation is performed on the new image etc.

Keywords

  • Object - The object is the starting figure before a transformation has been applied.

  • Image - The image is the resulting figure after a transformation has been applied.

  • Vector - A vector can be used to describe a translation.

  • Polygon - A polygon is a flat (2D), closed figure made up of straight line segments.

Common misconception

The number of spaces to translate a shape can be worked out by counting the squares on the grid.

If there are axes, then it is important to check the scales. The length of one square does not always represent one unit.

Learning cycle 2 includes activities in Desmos (geometry). The links to the activities can be shared with pupils so that they can access them on their own or school device.
Teacher tip

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

Lesson video

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6 Questions

Q1.
The is the starting figure before a transformation has been applied.
Correct Answer: object
Q2.
Match each description to the correct vector.
Correct Answer:1 left and 2 down,$$\begin{pmatrix} -1 \\ -2 \\ \end{pmatrix}$$

$$\begin{pmatrix} -1 \\ -2 \\ \end{pmatrix}$$

Correct Answer:1 right and 2 up,$$\begin{pmatrix} 1 \\ 2 \\ \end{pmatrix}$$

$$\begin{pmatrix} 1 \\ 2 \\ \end{pmatrix}$$

Correct Answer:2 right and 1 up,$$\begin{pmatrix} 2 \\ 1 \\ \end{pmatrix}$$

$$\begin{pmatrix} 2 \\ 1 \\ \end{pmatrix}$$

Correct Answer:2 right and 1 down,$$\begin{pmatrix} 2 \\ -1 \\ \end{pmatrix}$$

$$\begin{pmatrix} 2 \\ -1 \\ \end{pmatrix}$$

Correct Answer:2 left and 1 up,$$\begin{pmatrix} -2\\ 1 \\ \end{pmatrix}$$

$$\begin{pmatrix} -2\\ 1 \\ \end{pmatrix}$$

Correct Answer:1 right and 2 up,$$\begin{pmatrix} 1 \\ 2 \\ \end{pmatrix}$$

$$\begin{pmatrix} 1 \\ 2 \\ \end{pmatrix}$$

Q3.
The object has been transformed into the image. The type of transformation shown by the diagram is a .
An image in a quiz
Correct Answer: reflection
Q4.
Which of these diagrams show a rotation?
Correct Answer: An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
Q5.
Shape c has been rotated 90° anti-clockwise about (-2, 2). The image is shape .
An image in a quiz
Correct Answer: b
Q6.
The point P has coordinates (-2, 3). P is reflected in different lines of reflection. Match the coordinates of the image of P to the equation of the line of reflection.
Correct Answer:P'(-2, -3),$$x= 0$$

$$x= 0$$

Correct Answer:P'(2, 3),$$y = 0$$

$$y = 0$$

Correct Answer:P'(-3, 2),$$y=-x$$

$$y=-x$$

Correct Answer:P'(3, -2),$$y=x$$

$$y=x$$

6 Questions

Q1.
A can be used to describe a translation.
Correct Answer: vector
Q2.
Aisha reflects shape A in the line $$y=4$$ to A'. She then reflects A' in the line $$x=4$$ to A''. Select the coordinates of P' and P''.
An image in a quiz
Correct answer: P'(2, 2)
P'(6, 6)
Correct answer: P''(6, 2)
P''(6, 6)
P''(2, 2)
Q3.
Jun translates shape A by $$\begin{pmatrix} 2 \\ -1 \\ \end{pmatrix}$$ to A'. He then reflects A' in the line $$x=5$$ to A''. Select the coordinates of P' and P''.
An image in a quiz
P'(4, 4)
Correct answer: P'(4, 5)
P''(5, 5)
Correct answer: P''(6, 5)
P''(6, 6)
Q4.
Sam is using technology to transform some shapes. Sam wants to use Desmos to rotate a shape 90° clockwise. Which of these angles should Sam type into Desmos?
-270°
Correct answer: -90°
90°
Correct answer: 270°
Q5.
Here are some buttons that you can use in Desmos for transformations. Match each button to its function.
An image in a quiz
Correct Answer:Button a,translates object

translates object

Correct Answer:Button b,rotates object

rotates object

Correct Answer:Button c,enlarges (dilates) object

enlarges (dilates) object

Correct Answer:Button d,creates a polygon

creates a polygon

Q6.
Match each transformation to its description.
An image in a quiz
Correct Answer:Shape A to shape B,Rotation $$90$$° clockwise about $$(4, 1)$$

Rotation $$90$$° clockwise about $$(4, 1)$$

Correct Answer:Shape B to shape C,Translation by $$\begin{pmatrix} -4 \\ -5 \\ \end{pmatrix}$$

Translation by $$\begin{pmatrix} -4 \\ -5 \\ \end{pmatrix}$$

Correct Answer:Shape C to shape D,Reflection in the line $$x=4$$

Reflection in the line $$x=4$$

Correct Answer:Shape D to shape E,Enlargement, scale factor $$2$$, about $$(6,-3)$$

Enlargement, scale factor $$2$$, about $$(6,-3)$$