Combine parts using the addition symbol
I can partition a whole in different ways and use an addition symbol when recombining them.
Combine parts using the addition symbol
I can partition a whole in different ways and use an addition symbol when recombining them.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- When a whole is partitioned into parts, it can be represented using the addition symbol.
- The addition symbol shows that the parts combine to make the whole.
- We can describe the parts to help us understand how to represent them.
- A whole group can be partitioned in different ways.
Keywords
Partition - To split a whole up / to separate a whole into parts.
Parts - A piece or section of a whole.
Whole - All of something. Complete.
Plus - Another word for add. The symbol is +.
Combine - To put parts together to make a whole.
Common misconception
Children may have difficulty understanding partitioning of the whole group where one part is zero.
Include contexts with zero, so children can discuss and clarify their thinking.
To help you plan your year 1 maths lesson on: Combine parts using the addition symbol, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 1 maths lesson on: Combine parts using the addition symbol, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 1 maths lessons from the Additive structures: addition unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Starter quiz
6 Questions











Exit quiz
6 Questions



the cups with juice
the parts combine to make the whole
the empty cups





