# Goldbach's conjecture

In this lesson, we will learn about a famous unsolved maths problem called Goldbach's conjecture.

# 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:

# Goldbach's conjecture quiz

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

Q1.Fill the gap: Every even integer greater than two can be written as the sum of two __________ integers.

1/5

Q2.Goldbach wrote his conjecture in a letter. Who was the letter to?

2/5

Q3.What was Mr Golbach's first name?

3/5

Q4.True or false: Goldbach's conjecture is proven to be true.

4/5

Q5.Write 7 as a sum of two prime numbers.

5/5

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

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

# Goldbach's conjecture quiz

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

Q1.Fill the gap: Every even integer greater than two can be written as the sum of two __________ integers.

1/5

Q2.Goldbach wrote his conjecture in a letter. Who was the letter to?

2/5

Q3.What was Mr Golbach's first name?

3/5

Q4.True or false: Goldbach's conjecture is proven to be true.

4/5

Q5.Write 7 as a sum of two prime numbers.

5/5

# Lesson summary: Goldbach's conjecture

## Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Dance