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Add Three-Digit Numbers (With Regrouping)

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Add Three-Digit Numbers (With Regrouping)

TEKS Math: 2.4.D

(D) Generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000.

CCSS Math: 2.NBT.7

2.NBT.7 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.

This number sense lesson focuses on adding numbers (three digits). The lesson includes research-based strategies and questions that help prepare students for assessments. In this lesson, students add the digits in the one's place and regroup if the sum is ten or more. Then, they add the digits in the tens place and regroup if the sum is 10 or more. Finally, students read the addition problem and the sum aloud. In addition to the lesson, there are four pages of Independent Practice and review with questions modeled after current adaptive testing items.

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Standard Alignments:

TEKS Math: 2.4.D

(D) Generate and solve problem situations for a given mathematical number sentence involving addition and subtraction of whole numbers within 1,000.

CCSS Math: 2.NBT.7

2.NBT.7 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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Add Three-Digit Numbers (With Regrouping)

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