Review and use knowledge of place value to correctly lay out column addition

I can use place value to lay out column addition correctly.

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Year 4

Review and use knowledge of place value to correctly lay out column addition

I can use place value to lay out column addition correctly.

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Share activities with pupils

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Lesson details

Key learning points

The addends are written in columns with the same value digits in the same column.
One addend is written above the other one.
The sum is recorded underneath the addends with the same value digits in the same column.

Keywords

Addend - An addend is a number added to another.
Column addition - Column addition is a way of adding numbers by writing a number below another.
Sum - The sum is the total when numbers are added together.

Common misconception

Pupils need to make accurate use of place value, especially with numbers that have zero ones, tens or hundreds.

Give pupils opportunities to set out calculations such as two hundred and thirty add three hundred and four. Can they use zero correctly to represent zero ones and zero tens?

In this lesson, pupils set out column addition, revisiting where the addends and the sum appear. While there is little calculation in this lesson, pupils should have opportunities to manipulate the addends, understanding that the order they appear in can be changed.