Hexadecimal: A Beginner's Guide

Hexadecimal: A Beginner's Guide
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Hexadecimal: A Beginner's Guide

Slide 1 - Diapositive

Cet élément n'a pas d'instructions

Learning Objective
At the end of the lesson, you will be able to explain what hexadecimal is, why it is used, and convert decimal numbers to hexadecimal.

Slide 2 - Diapositive

Introduce the learning objective and set expectations for the lesson.
What do you already know about number systems?

Slide 3 - Carte mentale

Cet élément n'a pas d'instructions

Number Systems
There are different ways to represent numbers, such as binary, decimal, and hexadecimal.

Slide 4 - Diapositive

Introduce the idea of number systems and explain why they are important.
Decimal System
The decimal system uses ten digits (0-9) to represent numbers.

Slide 5 - Diapositive

Explain the decimal system and its limitations.
Hexadecimal System
The hexadecimal system uses sixteen digits (0-9 and A-F) to represent numbers.

Slide 6 - Diapositive

Introduce the hexadecimal system and explain its usefulness.
Converting Decimal to Hexadecimal
To convert a decimal number to hexadecimal, divide by 16 and write the remainder as a hexadecimal digit.

Slide 7 - Diapositive

Show step-by-step instructions with examples.
Practice: Decimal to Hexadecimal
Convert the following decimal numbers to hexadecimal: 27, 128, 255.

Slide 8 - Diapositive

Give students time to practice converting decimal numbers to hexadecimal.
Converting Hexadecimal to Decimal
To convert a hexadecimal number to decimal, multiply each digit by its corresponding power of 16 and add the results.

Slide 9 - Diapositive

Explain how to convert hexadecimal to decimal and give examples.
Practice: Hexadecimal to Decimal
Convert the following hexadecimal numbers to decimal: 1A, FF, 4C.

Slide 10 - Diapositive

Give students time to practice converting hexadecimal numbers to decimal.
Uses of Hexadecimal
Hexadecimal is commonly used in computer systems to represent colors, memory addresses, and other data.

Slide 11 - Diapositive

Explain the practical applications of hexadecimal.
Review
What is hexadecimal? Why is it useful? How do you convert decimal to hexadecimal and vice versa?

Slide 12 - Diapositive

Review the main points of the lesson with the class.
Assessment
Convert the decimal number 512 to hexadecimal.

Slide 13 - Diapositive

Assess student understanding by having them complete a conversion problem independently.
Conclusion
You have now learned the basics of hexadecimal and how to convert between decimal and hexadecimal.

Slide 14 - Diapositive

Wrap up the lesson and encourage students to continue practicing.
Write down 3 things you learned in this lesson.

Slide 15 - Question ouverte

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.
Write down 2 things you want to know more about.

Slide 16 - Question ouverte

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.
Ask 1 question about something you haven't quite understood yet.

Slide 17 - Question ouverte

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.