Denary to Binary Conversion Worksheet & Answer Key | KS3 / GCSE Computer Science

Help students master one of the core number systems topics in Computer Science with this structured and engaging Denary to Binary Conversion Worksheet. Designed for KS3 and GCSE Computer Science, this resource provides a complete 60-minute lesson that gradually develops students’ understanding of binary place values and denary-to-binary conversion.
This includes:

• Student worksheet (60-minute lesson)
• Teacher answer key with fully worked solutions
• Retrieval starter activity
• Guided practice questions
• Independent practice tasks
• Exam-style GCSE application questions
• Stretch and challenge activities
• Exit ticket and self-assessment reflection

Topics Covered
Binary number system
Denary and binary comparison
8-bit binary place values
Converting denary numbers into binary
Checking and verifying binary conversions
GCSE-style exam questions and reasoning
Suitable For
KS3 Computing
GCSE Computer Science
Cover lessons
Homework tasks
Revision sessions
Independent learning