Lesson 11
Share Story Problems
Warm-up: Number Talk: Add and Subtract 2 and 3 (10 minutes)
Narrative
Launch
- Display one expression.
- “Give me a signal when you have an answer and can explain how you got it.”
- 1 minute: quiet think time
Activity
- Record answers and strategy.
- Keep expressions and work displayed.
- Repeat with each expression.
Student Facing
Find the value of each expression.
- \(3 - 2\)
- \(3 + 2\)
- \(4 - 2\)
- \(4 - 3\)
Student Response
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Activity Synthesis
- Record each expression as an equation as students share their answers.
- “When did you need to add? When did you need to subtract? Did you use the same strategy to add and to subtract?”
Activity 1: Display Story Problems and Solutions (25 minutes)
Narrative
The purpose of this activity is for students to represent and solve the story problem that they developed in the previous lesson (MP2). Students create a poster to display their story problem. This activity can also be adapted so that students create a poster about another student’s story problem or work together in partners and make a joint poster about one story problem.
Supports accessibility for: Organization
Required Materials
Materials to Gather
Launch
- Give each student a piece of chart paper and access to connecting cubes or two-color counters and crayons.
- “Tell your partner the story problem that you came up with yesterday.”
- “Today you are going to make a poster to show your story problem. Solve the story problem. Show your thinking using drawings, numbers, or words.”
Activity
- 10 minutes: independent work time
- “If you have time, you may want to show different ways to solve the problem using pictures, numbers, words, or symbols.”
- 10 minutes: independent work time
Student Response
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Activity Synthesis
- “Now you are going to get a chance to look at the work that your classmates did.”
Activity 2: Story Problem Gallery Walk (15 minutes)
Narrative
The purpose of this activity is for students to share how they represented their story problems and make connections between different representations (MP2).
Advances: Conversing
Launch
- “We are going to do a gallery walk so that we can see everyone’s work for their story problem. As you walk around, think about how each poster is the same as and different from your poster. Think of any ideas that you may want to add or change about your poster.”
Activity
- Invite half the class to stand next to their poster while the other half of the class walks around and looks at the posters.
- 5 minutes: gallery walk
- Switch groups.
- 5 minutes: gallery walk
Activity Synthesis
- Display two different student posters.
- “What is the same about how _____ and _____ showed their story problems? What is different?”
- “If you would like, you can add to your poster.”
Lesson Synthesis
Lesson Synthesis
Cool-down: Unit 8, Section B Checkpoint (0 minutes)
Cool-Down
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Student Section Summary
Student Facing
In this section, we explored our school community.
We created number books to show important things from our school.
We asked questions about our school and used tools to answer the questions.
We told story problems about our school.
There are 5 pictures on one side of the hallway.
There are 3 pictures on the other side of the hallway.
How many pictures are there in the hallway?
\(5 + 3 = 8\)
There are 8 pictures.