Year 3 Addition and Subtraction Lessons

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Addition and Subtraction

Deliver a Year 3 addition and subtraction lesson with this ready-made resource. Aligned to the England National Curriculum (KS2 Number), covering objectives such as: add and subtract numbers mentally, including: a three-digit number and tens. Customise this lesson on Chalkie.ai in minutes.

Lesson details

What is inside this Addition and Subtraction lesson?

This Year 3 Maths lesson focuses on Addition and Subtraction. It helps pupils work toward this objective: add and subtract numbers mentally, including: a three-digit number and tens. Teachers get a ready-to-teach flow they can customise for their class.

Learning outcome

By the end of this lesson, pupils should be able to show progress against this objective: add and subtract numbers mentally, including: a three-digit number and tens.

Key learning points

  • The lesson is built around Addition and Subtraction for Year 3 Maths.
  • Pupils work toward the objective: add and subtract numbers mentally, including: a three-digit number and tens.
  • The flow supports teacher modelling, guided examples, and short checks for understanding.
  • The deck can be customised in Chalkie so examples, language, and difficulty match the class.

Lesson sequence

  • Introduce Addition and Subtraction with a short prompt or visual example.
  • Model the target skill so pupils can see how to approach it.
  • Work through guided examples linked to add and subtract numbers mentally, including: a three-digit number and tens.
  • Use the check slides or activities to spot who needs more support.
  • Adapt the deck in Chalkie if the class needs simpler examples, extra practice, or a faster challenge.

Practice activities

  • Use the lesson after introducing Addition and Subtraction in class.
  • Ask pupils to explain how they know their answer, not just give the answer.
  • Pause after guided examples and have partners practise with a similar prompt.
  • Use the final activity as a quick check before moving on.
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Support learning for any year group

Maths is an important stage in the Year 3 curriculum. On this site you'll find a collection of example Year 3 lessons created by teachers to support learning objectives for this year group. Every resource is editable and created using Chalkie's AI tools.

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Learning at home

These Year 3 Maths lessons were made by UK teachers for use in real classrooms. You can also use them at home for extra practice or revision.

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Curriculum aligned resources

Every Year 3 Maths lesson is mapped to the national curriculum and editable to match your school's schemes of work.

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Years 10-13 · Nottinghamshire in the UK

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Further Education Vocational · Inspire College, Sutton-in-Ashfield, UK

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