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# Unit Overview: 2-D Shape and Symmetry

## Lessons:

15 lessons

### Shape and symmetry: To compare and order angles

In this lesson, we will revise the names of different types of angles. We will look at what angles have in common with each other and what makes them different. We will estimate angles and learn the properties of various types of angles.

• 1 Quiz
• 27m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Shape and symmetry: To identify right angles

In this lesson, we will recap the names of different types of angles. We will look specifically at right angles today and explore where they can be found. We will learn what makes an angle a right angle. We will make right angle checkers to help us investigate.

• 2 Quizzes
• 19m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Shape and symmetry: To identify acute and obtuse angles

In this lesson, we will recap the names of different types of angles. We will look specifically at acute and obtuse angles and explore where they can be found. We will learn what makes an angle acute or obtuse and how they are different.

• 2 Quizzes
• 19m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Shape and symmetry: To investigate angles within shapes

In this lesson, we will recap the names of different types of angles. We will look specifically at angles within different shapes. We will draw and investigate different shapes containing a variety of angles.

• 2 Quizzes
• 21m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Shape and symmetry:Identify angles within shapes

In this lesson, we will revisit the different types of angle names (acute, obtuse, right angled). We will practise labelling and identifying angles of each type.

• 2 Quizzes
• 25m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To compare and classify 2D shapes

In this lesson, we will revise the names of 2D shapes. We will look at what these shapes have in common with each other and what makes them different. We will learn the difference between regular and irregular shapes and use correct mathematical language to discuss their features.

• 2 Quizzes
• 19m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To compare and classify quadrilaterals

In this lesson, we will revise the names of different types of quadrilateral shapes. We will look at what they have in common with each other and what makes them different. We will learn the properties of various types of quadrilateral shapes.

• 2 Quizzes
• 17m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To identify and classify right angled and equilateral triangles

In this lesson, we will revise the names of different types of triangles. We will look at what they have in common with each other and what makes them different. We will learn the properties of various types of triangles and use correct mathematical vocabulary to describe the features and properties of each. We will focus on right angled and equilateral triangles.

• 2 Quizzes
• 16m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To Compare and Classify Isosceles and Scalene Triangles

In this lesson, we will revise the names of different types of triangles. We will look at what they have in common with each other and what makes them different. We will learn the properties of various types of triangles and use correct mathematical vocabulary to describe the features and properties of each. We will focus on scalene and isosceles triangles.

• 2 Quizzes
• 14m Video
• Presentation(PPT)
• Worksheet
• Transcript

In this lesson, we will recap the knowledge we have developed on quadrilaterals. We will investigate different types of quadrilateral shapes and solve problems based on their properties. We will draw, investigate and justify our ideas about different shapes.

• 2 Quizzes
• 21m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To identify lines of symmetry in 2-D shapes

In this lesson, we will revise the names of different types of 2D shapes. We will explore what symmetry is and how to recognise lines of symmetry in 2D shapes. We will develop strong mathematical language about shape and we will investigate lines of symmetry in a variety of quadrilaterals and triangles.

• 2 Quizzes
• 29m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To identify lines of symmetry in a pattern

In this lesson, we will learn to recognise patterns and how they repeat. We will continue to explore what symmetry is and how to recognise lines of symmetry in 2D shapes and patterns containing these shapes. We will continue to develop strong mathematical language about shape, symmetry and pattern.

• 2 Quizzes
• 19m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To complete a simple symmetrical figure

In this lesson, we will deepen our understanding of symmetry by creating our own symmetrical figures and completing others that have been started. We will learn how to check our work to ensure that lines of symmetry are accurate and we will use the correct vocabulary to explain our figures.

• 2 Quizzes
• 21m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To investigate a problem using symmetry (Part 1)

In this lesson, we will recap the knowledge we have developed on symmetry. We will investigate different types of shapes and patterns and use our new knowledge to solve problems based on their lines of symmetry. We will draw, investigate and justify our ideas.

• 2 Quizzes
• 19m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To investigate a problem using symmetry (Part 2)

In this lesson, we will further develop the knowledge we have gained on symmetry. We will investigate different types of shapes and patterns and use our new knowledge to solve problems based on their lines of symmetry. We will draw, investigate and justify our ideas.

• 2 Quizzes
• 23m Video
• Presentation(PPT)
• Worksheet
• Transcript