# Surface area conjectures

In this lesson, we will explore patterns related to surface area and form conjectures based on your findings.

#### 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.Which statement is true?

1/5

Q2.This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?

2/5

Q3.This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?

3/5

Q4.This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?

4/5

Q5.What is the maximum surface area of combining 10 of these 1cm unit cubes together?

5/5

#### 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.Which statement is true?

1/5

Q2.This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?

2/5

Q3.This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?

3/5

Q4.This shape was made with 1 centimetre unit cubes. What is the surface area of this shape?

4/5

Q5.What is the maximum surface area of combining 10 of these 1cm unit cubes together?

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.

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

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

# Surface Area Conjectures

Time to show off what you have learnt!

Q1.What is the best mathematical definition of a conjecture?

1/5

Q2.What is the surface area of this 1cm unit cube?

2/5

Q3.Two 1cm unit cubes have been combined to form the solid shape below. What is the surface area?

3/5

Q4.The pattern is continued so that we have 3 unit cubes stuck together as a stick. What is the surface area?

4/5

Q5.The pattern is continued so that we have 13 unit cubes stuck together as a stick. Which calculation successfully works out the surface area?

5/5

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

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

# Surface Area Conjectures

Time to show off what you have learnt!

Q1.What is the best mathematical definition of a conjecture?

1/5

Q2.What is the surface area of this 1cm unit cube?

2/5

Q3.Two 1cm unit cubes have been combined to form the solid shape below. What is the surface area?

3/5

Q4.The pattern is continued so that we have 3 unit cubes stuck together as a stick. What is the surface area?

4/5

Q5.The pattern is continued so that we have 13 unit cubes stuck together as a stick. Which calculation successfully works out the surface area?

5/5

# Lesson summary: Surface area conjectures

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Chair yoga