NumberSystems.study (binary, hex, denary, arithmetic)
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Last edit: 23 November 2025
Resource Type Worksheets and Activities, Teaching Resources, Example Programs and Live Lessons
Curriculum Topic Data & Information
English Key Stage 11-14 year (KS3), 14-16 years (KS4), 16-18 Years (KS5)
Scottish Curriculum Levels P5-P7 (9-11 years), S4 - National 4/5 (15-16 years), S1-S3 (11 - 15 years), S5 Higher (16-17 years), S6 Advanced Higher (17-18 years)
Awarding Bodies AQA, OCR, WJEC EDQAS, Pearson / Edexcel
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NumberSystems.study | practice number system conversions and operations
Teacher guide = NumberSystems.study | Teacher guide
A straightforward way for students to practice number system conversions and binary arithmetic with unlimited questions designed for GCSE and A-level computer science courses.
- Create custom Question sets to match any exam board course
- Distribute share links for guided student practice
- Instant engagement, no login needed for students or teachers
- Perfect for Do Now/Starter, Exit Ticket/Plenary and homework
- Students can show their progress with you via the view progress page
Questions are designed to match the difficulty level found in GCSE and A-level computer science examinations.
Available question types:
- Denary to Binary
- Binary to Denary
- Denary to Hexadecimal
- Hexadecimal to Denary
- Hexadecimal to Binary
- Binary to Hexadecimal
- Binary addition
- Binary shift
- Binary subtraction
- Binary multiplication
- To two's complement
- From two's complement
- To fixed-point
- From fixed-point
- To floating-point
- From floating-point