Angles: Acute, Obtuse & Reflex – GCSE Maths Worksheets (Unit 4.1A)
Description:
This worksheet pack introduces students to different types of angles and how to distinguish between them visually and numerically. The resource builds foundational understanding for geometry topics later in the course.
Students will work through three differentiated worksheets (Red, Amber, Green), each accompanied by a modelled answer sheet for step-by-step support.
Included Levels:- Red: Basic identification of angle types using clear diagrams
- Amber: Estimate and compare angles from measurements
- Green: Classify angles and apply reasoning in diagram-based problems
- Recognise and define acute, obtuse, reflex, and right angles
- Estimate and compare angles using benchmarks
- Develop reasoning through classification tasks
- KS4 / GCSE Maths Foundation Tier
- Edexcel, AQA, OCR specifications
- In-class instruction, revision, homework or intervention
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