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Lesson Plan

5. Solving word problems using addition and subtraction (FP)

teaches Common Core State Standards CCSS.Math.Practice.MP3
teaches Common Core State Standards CCSS.Math.Practice.MP8
teaches Common Core State Standards CCSS.Math.Content.1.OA.A.1
teaches Common Core State Standards CCSS.Math.Content.1.OA.C.6
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Lesson objective: Solve addition and subtraction word problems using tape diagrams and equations. 

This lesson helps to build fluency with solving "Put Together/Take Apart" and  "Add To/ Take From" word problems. Tape diagrams are used here to make a pictorial representation of the word problem  This work develops students ability to understand word problems and create addition and/or subtraction equations to solve many types of word problems. 

Students engage in Mathematical Practice 2 (reason abstractly and quantitatively)  as they reason about word problems and create tape diagrams to show addition and subtraction situations. (Students engage in decontextualizing word problems.)

Key vocabulary:

  • tape diagram
  • unknown
  • missing addend


Related content

Appears in

Demonstrating proficiency in addition and subtraction situations

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