Common Core Sheets 

Operations and Algebraic Thinking 
Work with equal groups of objects to gain foundations for multiplication. 
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. 
Example (Hover to Enlarge) 
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Determine the quantity of shapes shown.



Each worksheet has 14 problems expressing an array as an addition problem.



Each worksheet has 11 problems writing a multiplication equation to express a rectangular array.


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