KS1 Maths Misconceptions & Intervention

Identify and address common maths misconceptions with this practical 22-page KS1 Maths Intervention Toolkit, featuring 35 misconception examples across 7 mathematical areas, 8 editable recording templates and teacher guidance.

Designed for Year 1 and Year 2 teachers (ages 5–7), this resource helps identify misunderstandings, check pupils’ mathematical reasoning, plan targeted support and review progress.

What’s Included?

• 35 common maths misconceptions across 7 KS1 areas:
  • Number & Place Value
  • Addition & Subtraction
  • Multiplication & Division
  • Fractions
  • Measurement
  • Shape
  • Position & Direction
• Five-part guidance for each misconception: what you might notice, a quick diagnostic check, a suggested response and a follow-up check
• 8 editable recording and intervention templates, including pupil misconception records, small-group intervention plans, session records, progress reviews, class overviews and gap analysis
• Diagnostic conversation notes to capture pupils’ explanations and reasoning
• Intervention Planning Bank with practical teaching strategies and representations
• Follow-Up Check Prompts for all seven maths areas
• Quick Start Guide, misconception overview and Implementation Checklist

Ideal For

KS1 maths assessment, identifying learning gaps, targeted intervention, small-group support, one-to-one teaching, pupil progress reviews and maths subject leadership.

The toolkit follows a practical Identify – Check – Respond – Review approach to support informed teaching decisions.

Files Included

• Editable 22-page Word document (.docx)
• Matching 22-page A4 portrait PDF (.pdf) for printing

The PDF is a copy of the Word resource. Both versions include the misconception guidance, teacher reference materials and recording templates.

Please note: This is a teacher guidance and intervention resource, not a pupil worksheet or formal assessment pack. It is designed to support professional judgement alongside your school’s curriculum and assessment procedures.

KS1 | Years 1–2 | Ages 5–7