Add Within 10002nd Grade |
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Alabama Course of Study Standards: 12 |
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Add and subtract within 1000 using concrete models or drawings and strategies based on place value, properties of
operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. |
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Arizona Academic Standards: 2.NBT.B.7 |
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Demonstrate understanding of addition and subtraction within 1000, connecting objects or drawings to strategies based on place value (including multiples of 10), properties of operations, and/or the relationship between addition and subtraction. Relate the strategy to a written form. See Table 1. |
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Common Core State Standards: Math.2.NBT.7 or 2.NBT.B.7 |
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Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. |
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North Carolina - Standard Course of Study: 2.NBT.7 |
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Add and subtract, within 1,000, relating the strategy to a written method, using: |
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New York State Next Generation Learning Standards: 2.NBT.7 |
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Notes: Students should be taught to use concrete models and drawings; as well as strategies based on place value, properties of operations, and the relationship between addition and subtraction. When solving any problem, students can choose to use a concrete model or a drawing. Their strategy must be based on place value, properties of operations, and/or the relationship between addition and subtraction. A written representation is any way of showing a strategy using words, pictures, or numbers. |
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Tennessee Academic Standards: 2.NBT.B.7 |
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Add and subtract within 1000 using concrete models, drawings, strategies based on place value, properties of operations, and/or the relationship between addition and subtraction to explain the reasoning used. |
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Pennsylvania Core Standards: CC.2.1.2.B.3 |
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Use place-value understanding and properties of operations to add and subtract within 1000. |
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Arkansas Academic Standards: 2.CAR.6 |
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Use concrete models, drawings, or equations to solve addition and subtraction problems within 1000. |
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2nd Grade Math - Add Within 1000 Lesson
