KS3 Algebra Misconceptions Diagnostic

Identify exactly where Years 8-9 pupils are struggling with algebra using this free 12-question diagnostic assessment. Worked answers and a teacher routing guide turn each error into a clear next teaching step.

Description

This focused KS3 algebra assessment helps teachers diagnose misconceptions rather than record only a total score. The questions sample simplifying, expanding brackets, solving linear equations, equations with unknowns on both sides, negative coefficients, special-solution equations, linear inequalities and checking by substitution.

What is included

• Seven-page resource with three uncluttered pupil assessment pages
• 12 original diagnostic questions
• Six misconception strands
• Teacher routing grid linking errors to follow-up teaching
• Worked answers with diagnostic notes
• Suggested 20-25 minute implementation
• A4 print-ready PDF in British English

Designed for

• UK KS3 Mathematics
• Years 8-9
• Baseline assessment
• Intervention groups
• Retrieval and end-of-unit review
• Tutoring and home education

No calculators or external links are required. The resource is supplied as one convenient PDF and may be printed for a single teacher’s own classes under the stated licence.

Suggested TES settings

• Price: Free
• Subject: Mathematics
• Age range: 11-14
• Topic: Algebra
• Resource type: Assessment and revision
• Curriculum: English National Curriculum