GCSE Maths – Using Set Notation (∪, ∩, ∈, ∉) (Differentiated Worksheets with Modelled Answers)

GCSE Maths – Using Set Notation (∪, ∩, ∈, ∉) (Differentiated Worksheets with Modelled Answers)

Help your students build confidence using formal set notation. This resource develops fluency with the key symbols ∪ (union), ∩ (intersection), ∈ (belongs to), and ∉ (does not belong to) — all aligned with GCSE Foundation Tier exam specifications.

Includes differentiated worksheets and step-by-step modelled answer sheets for complete support in class or during revision.

Key Learning Outcomes:

• Identify and correctly use union, intersection, and membership symbols
• Understand the meaning of notation in the context of numerical sets
• Solve problems using compound expressions involving sets

Differentiation and Structure:

• Red Level: Scaffolded introduction to symbols and their meanings
• Amber Level: Set notation applied in structured questions
• Green Level: Logic-based tasks and symbolic reasoning

Answer sheets provide a walkthrough of working steps for each task.

Suggested Strategies for Use:

• Teach notation with Red before layering on logic in Amber and Green
• Use for class activities, workbook supplements, or homework
• Encourage students to verbalise their understanding using the symbols
• Ideal for assessment practice, visual aids, and peer marking

Suitable for:

• KS4 / GCSE Maths Foundation Tier
• Exam boards: Edexcel, AQA, OCR
• Targeted at 14–16-year-olds and Foundation Tier learners

An essential worksheet set for mastering one of the most frequently tested symbolic skills in GCSE maths.