# Unit Overview: Area of 2-D shapes

## Lessons:

8 lessons

### Describing perimeters

In this lesson, we will use different units of length to describe perimeter; calculate the perimeter of polygons and estimate the perimeter of 'curved' shapes.

• 1 Quiz
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Describing areas

In this lesson, we will use different square units to describe area and use informal counting strategies to calculate area.

• 2 Quizzes
• 10m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Cutting and combining shapes

In this lesson, we will analyse the effect of cutting, moving and combining shapes on area and perimeter.

• 2 Quizzes
• 9m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Exploring rectangles

In this lesson, we will explore the perimeter and area of rectangles as the dimensions change.

• 2 Quizzes
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Rectilinear shapes

In this lesson, we will learn to calculate the area (and perimeter) of rectilinear shapes by 'combining' rectangles.

• 2 Quizzes
• 13m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Area of parallelograms

In this lesson, we will learn to calculate the area of parallelograms by rearranging rectangles and we will arrive at a formula for the area of a parallelogram.

• 2 Quizzes
• 8m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Area of triangles

In this lesson, we will learn to calculate the area of triangles and link the area of triangles to the area of parallelograms.

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### Further triangles

In this lesson, we will solve further problems involving area of triangles.

• 2 Quizzes
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript