Further triangles

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

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Fill in the gap: We can find the area of a triangle using the width of a base and the __________ height.

1/5

Q2.Fill in the gap: The triangle will have half the area of the _______________ formed with the same dimensions.

2/5

Q3.Find the area of this right-angled triangle.

3/5

Q4.A triangle has a base of 3cm and a perpendicular height of 4cm. What is its area?

4/5

Q5.A triangle has an area of 48 mm² and a perpendicular height of 8 mm. What is the length of its base?

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!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Fill in the gap: We can find the area of a triangle using the width of a base and the __________ height.

1/5

Q2.Fill in the gap: The triangle will have half the area of the _______________ formed with the same dimensions.

2/5

Q3.Find the area of this right-angled triangle.

3/5

Q4.A triangle has a base of 3cm and a perpendicular height of 4cm. What is its area?

4/5

Q5.A triangle has an area of 48 mm² and a perpendicular height of 8 mm. What is the length of its base?

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:

Further triangles quiz

Show what you've learnt!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Fill in the gap: A ______________ shape can be split into two or more other shapes.

1/5

Q2.Fill in the gap: We can split the shape below into a _____________ and a triangle.

2/5

Q3.Fill in the gap: The total area can be found by ______________ the areas of these shapes.

3/5

Q4.What is the area of this shape?

4/5

Q5.Find the shaded area in the shape below.

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:

Further triangles quiz

Show what you've learnt!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Fill in the gap: A ______________ shape can be split into two or more other shapes.

1/5

Q2.Fill in the gap: We can split the shape below into a _____________ and a triangle.

2/5

Q3.Fill in the gap: The total area can be found by ______________ the areas of these shapes.

3/5

Q4.What is the area of this shape?

4/5

Q5.Find the shaded area in the shape below.

5/5

Lesson summary: Further triangles

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This was the final lesson in the unit Area of 2-D shapes.

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