Turn your pupils into Grammar Detectives with this engaging, detective-themed SPaG activity designed for Upper Key Stage 2 (Years 5–6). Children investigate a text containing a range of spelling, punctuation and grammar mistakes before correcting, explaining and improving the writing.

This fun, end-of-year activity encourages pupils to apply their SPaG knowledge in a meaningful context while developing editing, proofreading and reasoning skills.

What’s Included

• 1 colourful, printable A4 worksheet
• Detective-themed proofreading challenge
• Error-spotting text
• Space to rewrite the corrected version
• Explanation table to justify corrections
• Vocabulary improvement task
• Grammar extension challenge using Year 5/6 grammar features

SPaG Skills Covered

• Capital letters and punctuation
• Commas
• Apostrophes
• Speech punctuation
• Sentence punctuation
• Spelling corrections
• Verb tense consistency
• Subject–verb agreement
• Word classes
• Editing and proofreading
• Vocabulary improvements

Grammar Features Included

• Fronted adverbials
• Relative clauses
• Parenthesis
• Expanded noun phrases
• Modal verbs
• Semi-colons
• Accurate sentence construction

Perfect For

• End-of-year SPaG revision
• Summer term activities
• Grammar interventions
• Independent work
• Guided groups
• Morning work
• Fast finishers
• Cover lessons
• SATs revision and consolidation

Year Groups: UKS2 (Years 5–6)

Subjects: English, SPaG, Writing, Grammar, Proofreading

This low-prep worksheet helps pupils consolidate key KS2 grammar objectives through an engaging detective challenge that promotes critical thinking, editing and reasoning. Ideal for keeping children motivated while revisiting essential SPaG skills in the final weeks of term.