Unit 6, Lesson 18
Use an Algorithm with Partial Quotients
Grade 4
Preparation
Lesson Purpose
The purpose of this lesson is for students to use an algorithm with partial quotients to find whole number quotients with up to four-digit dividends and one-digit divisors.
Lesson Narrative
In this lesson, students deepen and apply what they learned about partial quotients to divide four-digit numbers by single-digit divisors. They also analyze some common errors when using an algorithm with partial quotients. The last activity is optional and allows students to consider different ways to approach using partial quotients to divide.
- Representation
- MLR2
- Determine (orally and in writing) computation errors when dividing four-digit numbers by one-digit divisors and explain how to correct the errors.
- Use an algorithm with partial quotients to divide up to four-digit numbers by one-digit divisors.
- Let’s find quotients using an algorithm that uses partial quotients.
Required Preparation
None
Lesson Timeline
Warm-up
Activity 1
Activity 2
Activity 3
Lesson Synthesis
Cool-down
Teacher Reflection Questions
Students have encountered many different ways to reason about division in the past few lessons. They might have other unique ways to think about division. Identify one or more ways in which your students’ thinking offered a new insight or a positive surprise today.
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