Unit 8, Lesson 5
Put Together and Take Apart Story Problems
Grade 1
Preparation
Lesson Narrative
Students were introduced to, and practiced solving these story problem types in previous units. This lesson provides more practice for students to make sense of and solve these story problems in their own way. As these problems rely on making sense of part-part-whole relationships (MP1), students use the relationship between addition and subtraction (MP7) to solve problems and make sense of their peers' solution methods (MP3).
If students need additional support with the concepts in this lesson, refer back to Unit 2, Section B in the curriculum materials.
- Engagement
- MLR8
- Explain (orally) strategies for solving Put Together/Take Apart, Addend Unknown story problems.
- Match (orally) Put Together/Take Apart problems and equations with a symbol for the unknown.
Let’s solve more story problems.
Required Materials
Required Preparation
None
Suggested Centers
NoneTeacher Reflection Questions
What aspects of today’s lesson allowed each of your students to see themselves as productive mathematical reasoners?