Solve problems involving the addition of two-digit numbers
I can solve problems involving addition of two-digit numbers.
Solve problems involving the addition of two-digit numbers
I can solve problems involving addition of two-digit numbers.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Partitioning the addends can help us to solve problems involving two-digit numbers.
- Once we have written the equation, we must think carefully about the most efficient strategy to use.
- It is important to be able to calculate mentally before adding two 2-digit numbers.
Keywords
Partition - To split a whole up into parts.
Efficient - Not wasting time or effort. An efficient strategy is one we can carry out easily.
Common misconception
When the amount of processing required for a task increases, children often default to inefficient strategies such as counting in ones if the use of efficient strategies are not yet automatic.
When solving problems, continue to focus upon, and discuss, the most efficient strategies to use to ensure that this thinking becomes automatic.
To help you plan your year 2 maths lesson on: Solve problems involving the addition of two-digit numbers, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 2 maths lesson on: Solve problems involving the addition of two-digit numbers, 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 Addition and subtraction of two 2-digit numbers unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Starter quiz
6 Questions
Exit quiz
6 Questions
