2D and 3D shapes and Symmetry

What shapes do you already know?

Multiple Choice

What shape is this?

• Hexagon
• Star
• Triangle
• Cube

Multiple Choice

What shape is this?

• Oval
• Circle
• Cylinder
• Square

Multiple Choice

What shape is this?

• Square
• Circle
• Triangle
• Star

Match

Match the following shapes with their name.

triangle

diamond

hexagon

octagon

pentagon

• triangle

• diamond

• hexagon

• octagon

• pentagon

Sides and Vertices

Multiple Choice

What is a two-dimensional (2-D) shape?

• a shape that only has width and height

• a shape that has two sides

• a shape that you can touch

• a shape that is wide

Multiple Choice

2D shapes are...

• round
• flat
• solid
• soft

Multiple Choice

Which of the following is NOT a mathematical property used to describe 2D shapes?

• Number of vertices

• Length of sides

• Color of the shape

• Types of angles

We know this is a triangle because it has 3 sides and 3 corners.

We know this is a pentagon because it has 5 sides and 5 corners.

Match

Match the following

• 5 sides

• 6 sides

• 7 sides

• 8 sides

• 9 sides

pentagon

hexagon

heptagon

octagon

nonagon

• pentagon

• hexagon

• heptagon

• octagon

• nonagon

Multiple Choice

What does symmetry mean?

• When a shape can be folded or reflected so that both halves match exactly

• When a shape has all sides the same length.

• When a shape has four right angles.

Let's Practice

Multiple Select

Which of these shapes have more than one line of symmetry?

• Triangle

• Rectangle

• Heart

• Letter W

Fill in the Blank

The rectangle has ___ lines of symmetry.

Multiple Choice

What is the term used for a shape that does not have any symmetry?

• Symmetrical

• Asymmetrical

• Polygon

• Irregular

Dropdown

The dotted line ​

Select answer

Multiple Choice

How many lines of symmetry does the butterfly have?

• 1
• 2
• 3
• 4

Multiple Choice

How many lines of symmetry does this shape have?

• 1
• 2
• 4
• 8

Multiple Choice

How many lines of symmetry does this shape have?

• 0
• 1
• 2
• 4

Multiple Choice

• is symmetrical

• not symmetrical

Multiple Choice

How many lines of symmetry does this shape have?

• 1
• 2
• 3
• 4

Multiple Choice

How many lines of symmetry does the picture have? 

• 0 lines of symmetry
• 1 line of symmetry
• 2 lines of symmetry
• 3 lines of symmetry

Multiple Choice

Which of the following shapes is not symmetrical?

• a

• b

• c

• None of the above

Types of Angles

An angle is a measure of how much something has turned.

The size of an angle is measured in degrees (°).

Angles can be between 0° and 360°

Fill in the Blank

An angle is measured in ___ .

Types of angles

There are different types of angles based on their measurement.

Let's look at the different types.

Let's Practice

Multiple Choice

Do you think that this angle is an acute angle ?

• yes

• no

Multiple Choice

Which type of angle is smaller than a right angle?

• Obtuse angle

• Straight angle

• Acute angle

• Reflex angle

Open Ended

Describe a real-life example where you might see a right angle

Multiple Choice

Which of the following best describes a reflex angle?

• An angle less than 90°

• An angle equal to 90°

• An angle between 90° and 180°

• An angle greater than 180°

Match

Match the following angles

obtuse

acute

straight

reflex

right

• obtuse

• acute

• straight

• reflex

• right

Multiple Choice

Which type of angle is exactly 90 degrees and often represented by a small square between two lines?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

Fill in the Blank

A straight line is ___ degrees.

Hotspot

Locate the right angle in this triangle.

Multiple Select

Mrs. Neese asked her students to give examples of obtuse angles. They wrote their answers in the chart above.

Which students gave examples of obtuse angles?

• Austin

• Kalista

• Malachi

• Hannah

• Hunter

Draw

Draw a shape that has exactly 1 right angle.

Open Ended

Name two shapes that have no right angles.

Hotspot

A floristry student plans to make a flower arrangement with foam blocks that do not have right angles.

Which foam blocks can they use? 

3D shapes

​How many faces, edges and vertices do these shapes have?

Let's Practice

Fill in the Blank

A 3D shape is a solid shape with three dimensions: length, width, and ___.

Labelling

What is the name of this shape?

Drag labels to their correct position on the image

Bottle

Cube

Cylinder

Sphere

Labelling

What is the name of this shape?

Drag labels to their correct position on the image

Cube

Circle

Rectangular prism

Sphere

Match

Match the following

cone

cylinder

sphere

cube

• cone

• cylinder

• sphere

• cube

Multiple Choice

What 3D shape does this baseball look like?

• Cube

• Sphere

Multiple Choice

What shape is this?

• rectangular prism
• cube
• pyramid
• cylinder

Match

Match the following

1 flat surface and can roll

all sides are flat

more than one flat side and can roll

is round and has no flat sides

• 1 flat surface and can roll

• all sides are flat

• more than one flat side and can roll

• is round and has no flat sides

Dropdown

Sam is studying a 3D shape. Sam's shape has ​ ​

Select answer

faces. Sam's shape has ​

Select answer

verticies. Sam's shape has ​

Select answer

edges.

Multiple Choice

The arrow is pointing to a ________.

• Edge
• Vertice
• Face

Draw

Highlight an edge in RED

Multiple Choice

Which object can be made with these faces?

Multiple Choice

What are vertices?

• sides
• angles
• faces
• corners

Draw

Highlight a vertex in BLUE

Multiple Select

Which of the following statements about 3D shapes is correct?

• A cube has three faces and six edges.

• A cylinder has three faces and two edges.

• A sphere has six faces and twelve edges.

• A cube has six faces and twelve edges.

Dropdown

Name: ​

Select answer

​

Select answer

faces

​

Select answer

edges

​

Select answer

vertices

Is it flat or solid? ​

Select answer

Poll

How do you feel about the topics covered this lesson?

• I need more support to understand this

• I am confident I am ready to complete the work independently

• I am not sure, please come and speak to me.

• I'm not sure but I will have a go at the work, and ask you if I need help.

• I did not understand any of this