Unit 4, Lesson 20
Strategies for Dividing
Grade 3
Preparation
Lesson Narrative
Previously, students used base-ten blocks, diagrams, and other representations or strategies to reason about division within 100. In this lesson, they extend and formalize this work to include writing a series of equations to find the value of a quotient.
In analyzing various strategies to represent division, students reinforce their understanding of place value, properties of operations, and the relationship between multiplication and division.
- Representation
- MLR8
- Compare and contrast (orally and in writing) strategies used to represent and calculate the same quotient.
- Explain (orally) strategies for dividing within 100.
- Let’s use different strategies to divide.
Required Materials
Activity 2
Required Preparation
- Create a set of cards from the blackline master for each group of 2.
Teacher Reflection Questions
Who has been sharing their ideas in class lately? Make a note of students whose ideas have not been featured in class and look for an opportunity for them to share their thinking in tomorrow’s lesson.