Practice: Transforming Calculations to Make Them Easier to Solve Mentally
In this lesson, we will practise transforming calculations to make them easier to solve mentally Resources provided by NCETM (CC BY-NC-SA: https://creativecommons.org/licenses/by-nc-sa/4.0)
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Lesson summary: Practice: Transforming Calculations to Make Them Easier to Solve Mentally
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