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Year 7

Investigating transformations with Desmos

I can investigate transformations using dynamic software

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New
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Year 7

Investigating transformations with Desmos

I can investigate transformations using dynamic software

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Share activities with pupils
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Lesson details

Key learning points

  1. Dynamic software is a tool that can be used to explore transformations.
  2. There are many benefits to using this tool.
  3. Different transformations can be carried out quickly.

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

Pupils may struggle with only being able to rotate anticlockwise on Desmos.

Turning clockwise x degrees is equivalent to turning anticlockwise (360 - x) degrees.

Pupils will need access to a web browser during the tasks and paper to record their responses to the questions. Print the tasks or leave them displayed on the screen while pupils work individually on their devices.
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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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Starter quiz

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6 Questions

Q1.
The __________ is the __________ figure, before a transformation has been applied.
image
Correct answer: object
Correct answer: starting
resulting
Q2.
The __________ is the __________ figure, after a transformation has been applied.
Correct answer: image
object
starting
Correct answer: resulting
Q3.
$$\begin{pmatrix} -4 \\ 2 \end{pmatrix}$$ What does the -4 mean?
Correct answer: translation of 4 units left
translation of 4 units right
translation of 4 units up
translation of 4 units down
Q4.
$$\begin{pmatrix} -4 \\ 2 \end{pmatrix}$$ What does the 2 mean?
translation of 2 units left
translation of 2 units right
Correct answer: translation of 2 units up
translation of 2 units down
Q5.
$$\begin{pmatrix} 5 \\ -7 \end{pmatrix}$$ What does the 5 mean?
translation of 5 units left
Correct answer: translation of 5 units right
translation of 5 units up
translation of 5 units down
Q6.
$$\begin{pmatrix} 5 \\ -7 \end{pmatrix}$$ What does the -7 mean?
translation of 7 units left
translation of 7 units right
translation of 7 units up
Correct answer: translation of 7 units down

Exit quiz

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6 Questions

Q1.
Which button allows you to draw a polygon?
An image in a quiz
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Q2.
Which button opens up the option menu containing the vector tool?
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
Q3.
Which button opens up the option menu containing the selection tool?
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
Q4.
Which button allows you to measure an angle?
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
Q5.
Desmos rotates shapes __________.
Correct answer: anti-clockwise
clockwise
either clockwise or anti-cloackwise
neither clockwise nor anti-clockwise
Q6.
Lucas wants to rotate a shape clockwise by 50° in Desmos. What angle should he enter into Desmos?
50°
130°
230°
Correct answer: 310°