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Add 3 numbers together in different contexts

Lesson 5 / 10

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Lesson outcome

I can represent addition problems using ‘first, then, then, now’ and bar models.

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Addition of three addends can be described with a first …, then …, then …, now structure. A bar model can be used to represent a problem with three addends. A number line can be used to represent a problem with three addends.

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