Binary and Hex - 50+ Graded Questions

Here’s a TES resource description for Binary Bootcamp:

Computing Survivor: Binary Hexadecimal | OCR J277 GCSE Computer Science
A comprehensive, exam-focused practice pack covering the full binary and data representation content from the OCR J277 specification (Units 1.2.3 and 1.2.4). Designed for GCSE Computer Science students, this resource contains 50+ graded questions across four difficulty levels, complete with full step-by-step walkthroughs and a detailed mark scheme.
What’s included:

A spec checklist covering all 18 learning objectives from Units 1.2.3 and 1.2.4
Built-in reference tables for binary place values and hexadecimal conversion
50+ questions across four progressive levels:

Bronze — Denary ↔ Binary conversions
Silver — Binary addition, hexadecimal, and overflow errors
Gold — Binary shifts and file size calculations (images, sound, and text)
Platinum — Exam-style multi-mark questions with marks shown

Full worked walkthroughs for every question — not just the answer, but the method
Survivor Tips at each level to guide students through common mistakes

Topics covered:
Binary and denary conversion, binary addition and overflow, hexadecimal conversion and its uses, binary shifts (left and right), data units (Bit → PB), file size calculations for images, sound and text files, ASCII vs Unicode, colour depth, resolution, sample rate, and bit depth.

Ideal for:
Independent revision, classroom practice, homework tasks, or intervention sessions. The levelled structure makes it suitable for differentiation — students can work through levels at their own pace, with walkthroughs providing immediate self-marking support.