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Standards/Math/Oklahoma/2.N.2

2.N.2

2.N Numbers & Operations (N)
2.N.1
2.N.2
2.N.2.12.N.2.22.N.2.32.N.2.42.N.2.52.N.2.6
2.N.3
2.N.4

Add and subtract one- and two-digit numbers in real-world and mathematical problems.

2.N.2.1Use the relationship between addition and subtraction to generate basic facts with sums and minuends of up to 20.2.N.2.2Demonstrate fluency with basic facts of addition and subtraction with sums and minuends of up to 20.2.N.2.3Estimate sums and differences up to 100.2.N.2.4Use strategies and algorithms based on knowledge of place value and equality to add and subtract two-digit numbers.2.N.2.5Solve addition and subtraction problems involving whole numbers up to two digits.2.N.2.6Use concrete models and structured arrangements, such as repeated addition, arrays, and ten frames to develop an understanding of multiplication.
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