Math Curriculum

2nd Grade

Course Purpose:

Students will apply place value concepts to the base-ten system in working with multi-digit numbers. Students will select and apply strategies to develop fluency with addition and subtraction within 100.

Outcomes and Components:

M.2.3

  Students will apply multiple strategies to solve subtraction problems within 100.

Pacing  

Instruct/

Assess

 

Component Code

 

Component

Standard(s)

    M.2.3.1   Subtract fluently within 20 using mental strategies.

2.OA.B.2

    M.2.3.2   Subtract fluently within 100, including situations with regrouping, using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

2.NBT.B.5

    M.2.3.3  

Use subtraction within 100 to solve one and two-step word problems by using drawings and equations to represent the problem involving situations of taking from, taking apart, and comparing with unknowns in all positions with a symbol for the unknown number. Include situations with regrouping.

2.OA.A.1

    M.2.3.4  

Explain why subtraction strategies work, using place value and the properties of operations.

2.NBT.B.9

Academic Vocabulary: 

Content Vocabulary: