This lesson / resource is for Binary and covers why computers use binary, how binary works, and how to convert binary to decimal and vice versa.

To see this Computer Science and ICT Lessons in a full scope and sequence / scheme of work:

• For this lesson (Grades 10-12), please click here
• Please click here for Grades 7-9.

This lesson has the following learning objectives:

Learning objectives:

• Know what Binary numbers are
• Understand why Binary is used in Computing
• Know how to :
  • convert Binary numbers into Denary numbers (Decimal) ,
  • convert Denary numbers into Binary numbers
  • add Binary Numbers

This download includes:

• Amaze your students Bell ringer / Starter Activity
• A full lesson PowerPoint
• 2 Differentiated worksheets with solutions to convert from Decimal to Binary with solutions
• 3 Differentiated Binary Crosswords with solutions

All necessary resources to run the lesson are included in this download and all my lessons are for a double lesson i.e. to take around 1 hour and fifty minutes so they can be separated into two single lessons if required.

The aim of all my resources is to provide lessons / activities of good quality that will add value to your lessons / schemes of work without any extra planning.

All activities and resources have been used in class and any errors will be fixed and resources updated as soon as we are aware of any errors. We have priced the resources at what we consider to be a reasonable cost based upon the amount of effort and work we have put into them but all comments and suggestions are very welcome and will be used to improve future resources.

Please do leave a review and if you have an idea for a topic / resource that you would like to see (or improvement for this resource), feel free to contact us.

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This lesson fits into the following scope and Sequence of lessons:

Data Representation - Number Systems

1. Binary
2. Hexadecimal
3. Uses of Hex
4. Binary, Decimal, Hexadecimal Test
5. Binary Overflows and Binary Shifts
6. 2’s Complement
7. Binary Storage
8. Compression
9. File Types - Text and Images
10. File Types - Sound and Video

Support Resources

• Binary / Hexadecimal / Decimal - Computer Science Number Systems Posters (8 bit)
• Binary / Decimal / Hexadecimal Tarsia Puzzle
• Binary Workbook