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STANDARDS

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US-SC

Math

South Carolina Math

Grade 1: Algebraic Thinking and Operations

1.ATO.1

Fully covered
Solve real-world/story problems using addition (as a joining action and as a part-part-whole action) and subtraction (as a separation action, finding parts of the whole, and as a comparison) through 20 with unknowns in all positions.

1.ATO.2

Fully covered
Solve real-world/story problems that include three whole number addends whose sum is less than or equal to 20.

1.ATO.3

Not covered
Apply Commutative and Associative Properties of Addition to find the sum (through 20) of two or three addends.
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1.ATO.4

Not covered
Understand subtraction as an unknown addend problem.
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1.ATO.5

Not covered
Recognize how counting relates to addition and subtraction.
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1.ATO.6

Demonstrate:

1.ATO.6a

Mostly covered
Addition and subtraction through 20.

1.ATO.6b

Not covered
Fluency with addition and related subtraction facts through 10.
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1.ATO.7

Not covered
Understand the meaning of the equal sign as a relationship between two quantities sameness) and determine if equations involving addition and subtraction are true.
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1.ATO.8

Not covered
Determine the missing number in addition and subtraction equations within 20.
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1.ATO.9

Create, extend and explain using pictures and words for:

1.ATO.9a

Not covered
Repeating patterns (e.g., AB, AAB, ABB, and ABC type patterns).
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1.ATO.9b

Not covered
Growing patterns (between 2 and 4 terms/figures).
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