In this lesson, you will be introduced to the hexadecimal number system and learn how to convert between hexadecimal and decimal numbers. We will also learn why hexadecimal is used.

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.

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

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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.In binary shifting, which direction do you shift in order to multiply?

1/6

Q2.In binary shifting, which direction do you shift in order to divide?

2/6

Q3.TRUE or FALSE: When performing a binary shift for division, any remainders are discarded.

3/6

Q4.Perform the following BINARY calculation: 111 + 110 (enter the binary answer only)

4/6

Q5.Perform the BINARY calculation: 11 x 10 (enter the binary answer only)

5/6

Q6.Perform the BINARY calculation: 110 / 10 (enter the binary answer only)

6/6

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.

#### 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.In binary shifting, which direction do you shift in order to multiply?

1/6

Q2.In binary shifting, which direction do you shift in order to divide?

2/6

Q3.TRUE or FALSE: When performing a binary shift for division, any remainders are discarded.

3/6

Q4.Perform the following BINARY calculation: 111 + 110 (enter the binary answer only)

4/6

Q5.Perform the BINARY calculation: 11 x 10 (enter the binary answer only)

5/6

Q6.Perform the BINARY calculation: 110 / 10 (enter the binary answer only)

6/6

# 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.

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.

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

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

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

Q1.Convert this HEXADECIMAL number to DECIMAL: FF

1/3

Q2.Convert this DECIMAL number to HEXADECIMAL: 128

2/3

Q3.Convert this HEXADECIMAL number to BINARY: A3

3/3

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.

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

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

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

Q1.Convert this HEXADECIMAL number to DECIMAL: FF

1/3

Q2.Convert this DECIMAL number to HEXADECIMAL: 128

2/3

Q3.Convert this HEXADECIMAL number to BINARY: A3

3/3

# Lesson summary: Hexadecimal

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## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga