Lesson 10
Exploración de estimación
Lesson Purpose
Lesson Narrative
Earlier in the course, students developed their ability to reason multiplicatively and to find products of multi-digit numbers. Throughout the course, students have also been prompted to make estimates. In this lesson, they apply these understandings and skills to create their own Estimation Exploration activity.
The Estimation Exploration routine encourages students to anticipate multiple ways others might make an estimate based on a given image or description, and to revise their thinking accordingly. Later in the lesson, students will facilitate their activity in small groups. The lesson may take more than one class period if students take turns facilitating their estimation problem.
- Engagement
- MLR8
Learning Goals
Teacher Facing
- Analyze and write estimation problems.
Student Facing
- Diseñemos una actividad tipo “Exploración de estimación”.
Required Materials
Materials to Gather
Required Preparation
Activity 2:
- Gather two magazines or other sources of images for each group of 3–4 students.
Lesson Timeline
| Warm-up | 10 min |
| Activity 1 | 10 min |
| Activity 2 | 15 min |
| Activity 3 | 10 min |
| Lesson Synthesis | 10 min |
| Cool-down | 5 min |