Addition Number Talk: Second Grade
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 threedigit 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) 

Lesson Idea  Common CoreEngaging in Productive Struggle: Number TalksGrade 2 / Math / ELLMath.2.NBT.B.5 / Math.Practice.MP1 / Math.Practice.MP3
 1K
 42

Lesson Idea (Common Core)Sharing Strategies for Counting CollectionsGrades 23 / Math / Number SenseMath.2.NBT.A.2 / Math.3.NBT.A.2
 291
 26

Lesson Idea (Common Core)Skip Counting With Counting CollectionsGrades K2 / Math / StrategiesMath.2.NBT.A.1a / Math.2.NBT.A.2 / Math.Practice.MP5
 471
 36

Lesson Idea (Common Core)Making Math Fun with Place Value GamesGrade 2 / Math / Place ValueMath.2.NBT.A.4 / Math.2.NBT.B.5 / Math.2.NBT.A.1a
 555
 128

Lesson Idea (Common Core)Beyond Fingers: Place Value & the Numbers 1119Grades K2 / Math / ReasoningMath.K.NBT.A.1 / Math.Practice.MP2 / Math.Practice.MP3
 638
 95

Lesson Idea (Common Core)Leprechaun Traps: Addition Within 100Grades K2 / Math / ReasoningMath.1.NBT.C.4 / Math.Practice.MP2 / Math.Practice.MP3
 529
 60

Lesson Idea (Common Core)Differentiating in Math Using Computer GamesGrades K2 / Math / TechnologyMath.2.OA.B.2
 404
 28

Tch SpecialSubtraction Number String: Second GradeGrade 2 / Math / Tch DIYMath.2.NBT.B.5
 4
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.
Tch visited Kristin's Gray's school. Watch the video.
Teacher & School Info

Kristin Gray
 School Details
 Shields (Richard A.) Elementary School Lewes, DE
 Population
 722 students
 District Spending
 $14,381
Supporting Materials

Lesson Plan: Addition Number Talk.PDF

Student Work: Journals.PDF

Reflection and Resources.PDF