Year 3 - Addition Unit 1

Transform your Year 3 maths lessons with this outdoor addition unit, where pupils explore adding 3-digit and 2-digit numbers with and without exchange. Across hands-on lessons using natural materials, number lines, and peer-assessment, children actively solve problems, represent calculations, and deepen their understanding in a dynamic style through your outdoor space.

Lesson Plans

Adding multiples of 100

Transform your Year 3 maths lessons with this engaging outdoor lesson plan, enabling students to master adding multiples of 100 through active exploration and representation. Children will confidently use number lines, solve varied addition questions and peer-assess their understanding in a dynamic setting.

Learning objective:

To add multiples of 100.

Adding 3-digit and 1-digit numbers - no exchange

Challenge your Year 3 class with this engaging outdoor maths lesson, as they actively master adding 3-digit and 1-digit numbers without exchange. Pupils will confidently compare 3-digit numbers, represent additions using natural objects, and solidify their understanding through formal column methods and number lines.

Learning objective:

To add 3-digit and 1-digit numbers. No exchange.

Adding 3-digit and 1-digit numbers - with exchange

Challenge your Year 3 class with this engaging outdoor maths lesson, as they actively master adding 3-digit and 1-digit numbers with exchange. Pupils will confidently represent additions using natural objects, solve calculations, and peer-assess their understanding in a dynamic setting.

Learning objective:

To add 3-digit and 1-digit numbers. With exchange.

Adding 3-digit and 2-digit numbers - no exchange

Inspire your Year 3 class with this hands-on outdoor maths lesson, where they’ll practise adding 3-digit and 2-digit numbers without exchange. Using natural materials, children will create and solve their own word problems, apply formal written methods, and peer-assess their learning—all while working in an outdoor setting.

Learning objective:

To add 3-digit and 2-digit numbers. No exchange.

Adding 3-digit and 2-digit numbers - exchanging 100s

Challenge your Year 3 class with this engaging outdoor maths lesson, as they actively master adding 3-digit and 2-digit numbers with exchange of 100s. Pupils will confidently represent additions using natural objects, solve calculations, and peer-assess their understanding.

Learning objective:

To add 3-digit and 2-digit numbers. Exchanging 100.

Solving missing number addition problems

Transform your Year 3 maths lessons with this engaging outdoor lesson plan, enabling pupils to master solving addition problems through active exploration and representation. Children will confidently use number lines, solve varied addition questions on natural materials, and peer-assess their understanding.

Learning objective:

To solve addition problems.

Before you get started

Safety and suistanability is super important!