# Surface area problems

In this lesson, we will use our knowledge of the surface area of a cylinder to solve a variety of worded and diagram-based problems.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Calculate the surface area of the cylinder. Give your answer in terms of π

1/3

Q2.Calculate the surface area of the cylinder. Give your answer to 1 decimal place

2/3

Q3.Calculate the surface area of the half cylinder. Give your answer to 1 decimal place

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Calculate the surface area of the cylinder. Give your answer in terms of π

1/3

Q2.Calculate the surface area of the cylinder. Give your answer to 1 decimal place

2/3

Q3.Calculate the surface area of the half cylinder. Give your answer to 1 decimal place

3/3

# 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.

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Surface area problems

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Work out the radius of the cylinders given that the curved surface area is 518.6 metres squared. Give your answer to 1 decimal place.

1/3

Q2.Work out the curved surface area of the half cylinder. Give your answer to 1 decimal place.

2/3

Q3.The cube and cylinder have the same surface area. Find the height of the cube to 1 decimal place.

3/3

#### Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

# Surface area problems

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Work out the radius of the cylinders given that the curved surface area is 518.6 metres squared. Give your answer to 1 decimal place.

1/3

Q2.Work out the curved surface area of the half cylinder. Give your answer to 1 decimal place.

2/3

Q3.The cube and cylinder have the same surface area. Find the height of the cube to 1 decimal place.

3/3

# Lesson summary: Surface area problems

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Climb stairs

On the spot:
Dance