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Year 4

Translate polygons in the first quadrant

I can translate polygons in the first quadrant.

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New
New
Year 4

Translate polygons in the first quadrant

I can translate polygons in the first quadrant.

Download all resources
Share activities with pupils

Lesson details

Key learning points

  1. Move the point in the horizontal direction in the translation.
  2. Move the point in the vertical direction in the translation,
  3. The shape made with the new points should be exactly the same shape and size as the original shape.

Common misconception

Pupils might mistakenly alter the shape or size of the polygon during translation, thinking the process involves resizing or reshaping.

Emphasise that translation is a "sliding" motion that moves the shape without changing its size or orientation. Demonstrate this with cut-out shapes that can be physically moved on a grid, showing that the shape remains identical after translation.

Keywords

  • Vertex / vertices - A vertex is the point where two or more lines meet. The plural is vertices.

  • Translate - Translation is a transformation in which every point of a shape moves the same distance in the same direction.

Encourage students to carefully count each square during translation, using a ruler or finger to help guide their counting. Practice with simpler translations and gradually increase complexity as their confidence builds.
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).

Video

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Starter quiz

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6 Questions

Q1.
Which of these correctly describes the translation from shape A to shape B?
An image in a quiz
Correct answer: 1 square right. 3 squares down
1 square right. 4 squares up.
1 square left. 3 squares up.
Q2.
Describe the translation of A to B.
An image in a quiz
Correct answer: 4 squares right. 3 squares up.
3 squares right. 3 squares up.
4 squares right. 4 squares up.
Q3.
The polygon has been translated squares up.
An image in a quiz
Correct Answer: 3, three
Q4.
Look at the grid and write the coordinates of the point marked by a dot. Remember to use brackets and a comma.
An image in a quiz
Correct Answer: (5,2), 5,2
Q5.
Look at the grid and write the coordinates of the point marked by a star. Remember to use brackets and a comma.
An image in a quiz
Correct Answer: (5,0), 5,0
Q6.
Lucas challenges Sofia to place another dot on the grid. He says the shape needs to be a pentagon. Which coordinates could it be?
An image in a quiz
(0, 3)
(4, 3)
(3, 5)
Correct answer: (2, 2)

Exit quiz

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6 Questions

Q1.
Jacob has translated shape A to shape B. Is he correct?
An image in a quiz
Yes
Correct answer: No
Q2.
Lucas says: ‘When you translate a shape, you can also rotate it and it will still be correct.’ Is Lucas correct?
Yes
Correct answer: No
Q3.
A note in a treasure chest gives the following coordinates for vertices of a shape: (5, 4) (4, 2) (3, 6) (2, 1) (1, 7) What shape must it create?
Quadrilateral
Correct answer: Pentagon
Hexagon
Q4.
Translate the polygon 1 square left. What are the new coordinates of the vertices?
An image in a quiz
Correct answer: (0, 5) (0, 3) (2, 3)
(5, 0) (3, 0) (3, 2)
(2, 1) (4, 1) (2, 3)
Q5.
Translate the polygon 2 squares right and 1 square down. What are the new coordinates of the vertices?
An image in a quiz
(3, 2) (6, 2) ( 5, 1)
Correct answer: (3, 1) (5, 1) (4, 3)
(2, 1) (4, 1) (2, 3)
Q6.
Question: Look at the polygon. Write down the translation from A to B.
An image in a quiz
2 squares left and 1 square up
4 squares left and 3 squares up
2 squares left and 3 squares up
Correct answer: 3 squares left and 2 squares up