Decreasing an addend
In this lesson, we will notice that, if one addend is decreased and the other is kept the same, the sum decreases by the same amount Resources provided by NCETM (CC BY-NC-SA: https://creativecommons.org/licenses/by-nc-sa/4.0)
Video
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Lesson summary: Decreasing an addend
Time to move!
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For 5 mins...
Move around:
Walk
On the spot:
Chair yoga