Rectilinear shapes

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

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Fill in the gap: To work out the area of a __________ we need to know how many square units lie within its boundary.

1/5

Q2.Fill in the gap: Instead of counting square units within the rectangle, we can multiply the ________ and width to work out the rectangle’s area.

2/5

Q3.What number is represented by letter A?

3/5

Q4.What number is represented by letter B?

4/5

Q5.What number is represented by letter C?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.Fill in the gap: To work out the area of a __________ we need to know how many square units lie within its boundary.

1/5

Q2.Fill in the gap: Instead of counting square units within the rectangle, we can multiply the ________ and width to work out the rectangle’s area.

2/5

Q3.What number is represented by letter A?

3/5

Q4.What number is represented by letter B?

4/5

Q5.What number is represented by letter C?

5/5

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Rectilinear shapes quiz

Show what you've learned!

Q1.Fill in the gap: Rectilinear shapes are polygons where all sides meet at a __________________.

1/5

Q2.Fill in the gap: We can find the area of rectilinear shapes by splitting the shape into two or more _________________.

2/5

Q3.Fill in the gap: One way in which the shape could be split is shown. The area of this shape can be calculated by the following calculation: 12 × ___ + 6 × 7

3/5

Q4.What is the area of this rectilinear shape?

4/5

Q5.Find the area (A) and perimeter (P) of this rectilinear shape.

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Rectilinear shapes quiz

Show what you've learned!

Q1.Fill in the gap: Rectilinear shapes are polygons where all sides meet at a __________________.

1/5

Q2.Fill in the gap: We can find the area of rectilinear shapes by splitting the shape into two or more _________________.

2/5

Q3.Fill in the gap: One way in which the shape could be split is shown. The area of this shape can be calculated by the following calculation: 12 × ___ + 6 × 7

3/5

Q4.What is the area of this rectilinear shape?

4/5

Q5.Find the area (A) and perimeter (P) of this rectilinear shape.

5/5

Lesson summary: Rectilinear shapes

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Time to move!

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