Reflection: Connection to Prior Knowledge Solving Result Unknown Problems with Three-digit Numbers. - Section 1: Introduction/Hook


I use entrance tickets to help students activate their prior knowledge and to assess retention of previous days' objectives.  In this case, I also use the entrance ticket as a way to build towards  two-part word problems.   

For instance, during this lesson, students need to be able to add four three-digit numbers.  The entrance ticket gave me an accurate measure of my students'  comfort and accuracy with this skill.   I don't usually grade entrance tickets--instead I use it as a formative assessment and address any serious misunderstandings during the introduction to new material and as needed,  during individual conversations with my students. 

  Activating Prior Knowledge with Entrance Tickets
  Connection to Prior Knowledge: Activating Prior Knowledge with Entrance Tickets
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Solving Result Unknown Problems with Three-digit Numbers.

Unit 6: Three-Digit Addition and Subtraction
Lesson 7 of 13

Objective: SWBAT solve result unknown problems with three-digit numbers.

Big Idea: Students identify, practice, and share strategies for solving result unknown problems that use three-digit numbers.

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