Adding Objects in Rectangular Arrays - Step-by-Step Lesson

This Adding Objects in Rectangular Arrays - Step-by-Step Lesson worksheet also includes:

These aliens will be familiar to any mathematicians who have seen Toy Story! Use an array of them to practice addition and writing number sentences. Because this activity includes the explanation to its one problem, project it as an all-class warm up. After examining the array, scholars write the corresponding addition sentence with its answer below. Note that the array doesn't necessarily make the intended number sentence clear, which is another reason you should guide learners through this practice.

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CCSS: Adaptable
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Grade
1st - 2nd
Subjects
Math
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Common Core