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Examples for

Common Core Math: Grade 1: Algebraic Thinking

In first grade, students interpret and perform addition and subtraction up to 20, including addition of three whole numbers. Students represent their thinking with concrete objects, visual representations and algebraic equations and apply arithmetic to real-world scenarios described in word problems. Students apply the commutative property of addition to add numbers in any order and explore the inverse relationship between addition and subtraction.

Common Core Standards

Get information about Common Core Standards.

Look up a specific standard:

CCSS.Math.Content.1.OA.A.1

first grade common core standard OA.B.4

Search for all first grade standards in a domain:

first grade operations and algebraic thinking common core standards

Equations

Solve addition and subtraction equations.

Determine if an equation is true or false (CCSS.Math.Content.1.OA.D.7):

Solve equations (CCSS.Math.Content.1.OA.D.8):

solve 5 + 9 = ?

solve ? + 14 = 18

solve 12 + ? = 17

Addition & Subtraction

Perform addition and subtraction.

Add and subtract whole numbers (CCSS.Math.Content.1.OA.C.6):

subtract 6 from 17

Add multiple whole numbers (CCSS.Math.Content.1.OA.A.2):

add 2, 8, and 5

Use addition and subtraction in counting (CCSS.Math.Content.1.OA.C.5):

count by twos from 4 to 20

count from 15 to 0 by 3

GO FURTHER

Step-by-Step Solutions for Arithmetic Pre-Algebra Web App Free Unlimited Arithmetic Practice Problems

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Common Core Math: Algebraic Thinking

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