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STANDARDS

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US-SC

Math

South Carolina Math

Grade 2: Algebraic Thinking and Operations

2.ATO.3

Mostly covered
Determine whether a number through 20 is odd or even using pairings of objects, counting by twos, or finding two equal addends to represent the number (e.g., 3 + 3 = 6).
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2.ATO.4

Fully covered
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.