Common Core Teaching Resources


Grade 2 > Standards for Mathematical Practice > Operations & Algebraic Thinking > Work with equal groups of objects to gain foundations for multiplication > CCSS.MATH.CONTENT.2.OA.C.4

Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

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