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Checking and securing understanding of written addition and subtraction strategies

Lesson 12 / 17

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Lesson outcome

I can generalise and fluently use written addition and subtraction strategies, including columnar formats, with decimals.

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Addition and subtraction strategies can make calculations easier. The decimal point can help ensure that digits with the same place value are combined. The decimal point will not help if the values are not measured in the same units.

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This content is by Cashar and published under an open licence.