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Standards/Math/Arkansas/1.CAR

1.CAR

1 Grade 1
1.CAR
1.CAR.11.CAR.21.CAR.31.CAR.41.CAR.51.CAR.61.CAR.71.CAR.81.CAR.9
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Computation & Algebraic Reasoning

1.CAR.1Add and subtract fluently within 10 with mastery by the end of first grade.1.CAR.2Use computational fluency to add and subtract within 20 using manipulatives and/or a variety of strategies.1.CAR.3Apply properties of operations to add and subtract within 20.1.CAR.4Use concrete models or drawings to add within 100, including a two-digit number and a one-digit number as well as a two-digit number and a multiple of ten; relate strategy used to a written expression or equation and explain reasoning.1.CAR.5Demonstrate the relationship between addition and subtraction by solving problems, using an inverse operation.1.CAR.6Solve real-world problems involving addition and subtraction within 20. Problem types include: adding to, taking from, putting together, taking apart, and comparing with unknowns present throughout the addition and subtraction problem.1.CAR.7Solve real-world problems involving addition of three whole numbers whose sum is less than or equal to 20.1.CAR.8Apply understanding of the equal sign to determine if equations involving addition and subtraction are true or false.1.CAR.9Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
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