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Standards/Math/South Carolina/2.ATO.4

2.ATO.4

2.ATO Algebraic Thinking and Operations
2.ATO.1
2.ATO.2
2.ATO.3
2.ATO.4

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

Khan Academy Resources
Adding with arraysArray word problemsRepeated addition: haircutsAdding with arraysUsing arrays in word problems
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