Activity
Illustrative Mathematics

Illustrative Mathematics: Counting Dots in Arrays

For Teachers 2nd Standards
This activity addresses CCSS 2.OA.C.4 where students count dots in an array using repeated addition. This skill lays the foundation for an understanding of multiplication.
Activity
OnlineMathLearning.com

Online Math Learning: Addition and Arrays (Grade 2)

For Teachers 2nd Standards
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]

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