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Looking for a zero-prep, high-energy maths activity? Code Breakers is a 12-round puzzle game designed for Key Stage 3 students to develop pattern-spotting, reasoning, and logic skills — all while working as a team! This interactive team challenge is perfect for classroom competitions, end-of-term lessons, and enrichment sessions. ** What’s Included:** 12-Round PowerPoint Game Presentation Includes 12 individual “Code Breaker” challenges with numeric, logic, and visual puzzle elements Simple layout — one puzzle per slide, ready to present Teacher Instruction Sheet (PDF) How to set up the game, scoring system, team rules, and classroom setup No printing required, just display and go! Answer Sheet (Excel file) Fully worked solutions for all 12 rounds Helps teachers quickly mark or guide students to correct reasoning What It Covers: Number patterns Basic logic and arithmetic Team-based problem-solving Speed and accuracy under time pressure How It Works: Divide your class into small teams (3–5 students) Present each round using the PowerPoint slides Teams work together to crack each puzzle Points are awarded for correct and fast answers Suitable For: KS3 Maths (Year 7–9) Form-time brain teasers House or classroom competitions End-of-term activities This pack is designed to be engaging, low-prep, and classroom-ready. It’s not a full maths curriculum resource, but rather a fun, logic-based challenge to stretch students’ thinking in a team-based format.