New
New
Year 1

Identify 2D shapes within 3D shapes

I can describe the individual faces on 3D shapes.

New
New
Year 1

Identify 2D shapes within 3D shapes

I can describe the individual faces on 3D shapes.

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Lesson details

Key learning points

  1. Recognise and know the difference between flat faces and curved surfaces.
  2. Know that when a shape is lying on a curved surface it will roll.
  3. Know that when a shape is lying on a flat face it will slide.
  4. Know that 3D shapes can have different shaped faces. For example, cones and cylinders have some circular faces.

Common misconception

May think that a sphere has a circular face because when drawn, a sphere looks like a circle.

Physically handle and compare spheres, cylinders and cones. Explore why a sphere cannot stand but a cylinder and a cone can.

Keywords

  • Curved surface - A rounded surface that is not flat.

  • Face - Any of the flat surfaces of an object.

  • Square face - The flat surface of a 3D shape that is shaped like a square with four sides that are equal in length.

  • Rectangular face - The flat surface of a 3D shape that is shaped like a rectangle with four sides.

  • Circular face - The flat surface of a 3D shape that is shaped like a circle with one curved line.

It is really important to have a range of 3D shapes ready before teaching this lesson. The teacher will need them to demonstrate throughout the lesson, and the children will hugely benefit from the opportunity to explore 3D shapes too.
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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6 Questions

Q1.
Which of these shapes is a cube?
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q2.
Which of these is a triangle?
Correct answer: A
B
C
Q3.
How many rectangles can you see?
An image in a quiz
1
2
3
Correct answer: 4
Q4.
Which of these 3D shapes will stack?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Q5.
Jun was asked to make a tower using just cuboids. He has made a mistake. Can you spot the incorrect shape?
An image in a quiz
A pyramid
A cone
Correct answer: A cylinder
Q6.
Izzy has sorted her shapes into two groups. The name of one of the groups is missing. What is it?
An image in a quiz
cubes
pyramids
Correct answer: cuboids

6 Questions

Q1.
Which of these shapes does NOT have a curved surface?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Q2.
Complete the sentence. A pyramid will slide because it has ..................... faces.
curved
Correct answer: flat
triangle shape
Q3.
True or False? This shape will slide down the ramp.
An image in a quiz
True
Correct answer: False
Q4.
Jun has sorted the shapes into those that roll and those that slide. Which shape is in the wrong place?
An image in a quiz
pyramid
sphere
Correct answer: cube
Q5.
Laura has drawn around one of the faces of her 3D shape. Which 3D shapes could it have been?
An image in a quiz
Correct answer: cylinder
cube
Correct answer: cone
Q6.
An image in a quiz
cone
pyramid
Correct answer: cuboid

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