Lesson 10
Center Day 2
Lesson Purpose
The purpose of this lesson is for students to add and subtract within 10.
Lesson Narrative
Students revisit a center from kindergarten focused on making 10. After all students spend some time on this center, they then have a choice of different previously introduced centers. All centers focus on adding or subtracting within 10.
- Representation
- MLR8
Learning Goals
Teacher Facing
- Add and subtract within 10.
Student Facing
- Let’s add and subtract.
Required Materials
Materials to Gather
Materials to Copy
- What's Behind My Back Stage 2 Recording Sheet Grade 1
Required Preparation
Activity 1:
- Each group of 2 needs 10 connecting cubes.
Activity 2:
- Gather materials from previous centers:
- What’s Behind My Back, Stage 2
- Five in a Row: Addition and Subtraction, Stages 1 and 2
- Check it Off, Stages 1 and 2
- Find the Pair, Stage 2
CCSS Standards
Lesson Timeline
| Warm-up | 10 min |
| Activity 1 | 20 min |
| Activity 2 | 20 min |
| Lesson Synthesis | 10 min |
Teacher Reflection Questions
Reflect on what you saw and heard as students worked in centers today. Whose ideas were heard, valued, and accepted? How can you adjust the group structure or norms during the next center time to ensure each student’s ideas are a part of the collective learning?