Addition Number Talk: Second Grade

Grade 2 / Math / Tch DIY
CCSS: Math.2.NBT.B.7

Common Core State Standards

Math

Math

2

Grade 2

NBT

Number & Operations in Base Ten

B

Use place value understanding and properties of operations to add and subtract

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.

Download Common Core State Standards (PDF 1.2 MB)



A number string is a series of mathematical expressions organized in a way that encourages students to build on their thinking as the string progresses.

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Common Core Standards
Math.2.NBT.B.7

Supporting Materials

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  • Lesson Plan: Addition Number Talk.PDF

  • Student Work: Journals.PDF

  • Reflection and Resources.PDF

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