Use column addition to add numbers by regrouping ones
I can use column addition to add numbers by regrouping ones.
Use column addition to add numbers by regrouping ones
I can use column addition to add numbers by regrouping ones.
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Lesson details
Key learning points
- Start with the ones column so that regrouping can be represented
- If the sum of the ones digits is ten or greater, regrouping is needed
- Any complete tens are regrouped into the tens column
Keywords
Column addition - Column addition is a way of adding numbers by writing a number below another.
Regroup - Regroup means moving an amount to make a calculation easier.
Common misconception
Pupils may regroup incorrectly, forget to write the regrouped ten or forget to add any regrouped tens when calculating the total for the tens column.
Emphasise that the regrouped number is a ten and that it needs to be added to the tens total. If necessary, revisit the use of base ten blocks.
To help you plan your year 3 maths lesson on: Use column addition to add numbers by regrouping ones, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Use column addition to add numbers by regrouping ones, 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.
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Explore more key stage 2 maths lessons from the Column addition 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
1 ten and 1 one
1 ten and 4 ones
4 tens and 1 one
4 tens and 4 ones
