51ºÚÁÏ

Fully resourced 5-lesson unit for fluency, reasoning, and problem-solving | Includes differentiated activities and assessments

This five-lesson unit supports Year 3 and Year 4 pupils in developing a secure understanding of addition through progressive mastery steps. Each lesson builds on the last, starting with concrete methods and moving towards efficient and formal written strategies.

What’s included:
✔ 5 detailed lesson plans with step-by-step guidance
✔ Differentiated tasks in three levels: mild, spicy, hot
✔ Pre-assessment and post-assessment for tracking progress
✔ Resources to support CPA (Concrete–Pictorial–Abstract) approach

Lesson sequence:

1. Concrete Addition Using Dienes – Use manipulatives to understand place value and number structure
2. Pictorial Addition – Visualise number combinations through bar models and number lines
3. Efficient Strategies – Explore mental and practical methods for near doubles and partitioning
4. Expanded Method – Learn to add by partitioning numbers and adding each place value
5. Column Method – Apply formal written strategies with regrouping where needed

Why this unit stands out:
✔ Combines fluency, reasoning, and problem-solving at every stage
✔ Perfect for teaching assistants, NQTs, and whole-class teaching
✔ Mastery-style progression with visual and practical support
✔ Designed for flexible use – whole lessons, interventions or booster sessions

Perfect for:

• Year 3 and Year 4 maths lessons
• Mastery-style curriculum delivery
• Intervention groups and small group catch-up
• Ofsted observation or interview lessons

Search terms: KS2 addition mastery | Year 3 addition unit | column addition Year 4 | outstanding maths planning | concrete pictorial abstract addition | addition lesson observation | maths reasoning and fluency KS2 | addition teaching resources