Subtract from a 2-digit number using column subtraction with regrouping
I can subtract from a 2-digit number using column subtraction with regrouping.
Subtract from a 2-digit number using column subtraction with regrouping
I can subtract from a 2-digit number using column subtraction with regrouping.
These resources will be removed by end of Summer Term 2025.
Lesson details
Key learning points
- Start with the numbers with the smallest place value.
- Regroup when the ones digit of the subtrahend is greater than the ones digit of the minuend.
- Change the number of ones and tens in the minuend.
Keywords
Column subtraction - Column subtraction is a way of subtracting numbers by writing a number below another.
Regroup - The process of unitising and exchanging between place values is known as regrouping.
Common misconception
Pupils may not understand column subtraction. They may use regrouping without grasping the reasoning behind the algorithm.
Ensure that pupils understand the purpose of regrouping and the value of the numbers when they are using column subtraction. Spend more time using base ten blocks with regrouping if pupils are not ready to progress onto the formal algorithm.
To help you plan your year 3 maths lesson on: Subtract from a 2-digit number using column subtraction with regrouping, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Subtract from a 2-digit number using column subtraction with regrouping, 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.
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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 2 maths lessons from the Column subtraction unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Starter quiz
6 Questions






Exit quiz
6 Questions







