Unit 1, Lesson 10
Center Day 2
Grade 1
Preparation
Lesson Purpose
The purpose of this lesson is for students to add and subtract within 10.
Lesson Narrative
Students revisit a center from IM Kindergarten focused on making 10. Then they then have a choice of different previously introduced centers. All centers focus on adding or subtracting within 10.
- Representation
- MLR8
- Explain (orally) strategies for finding the number that makes 10 when added to a given number.
- Let’s add and subtract.
Required Materials
Activity 2
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 3
- Five in a Row: Addition and Subtraction, Stages 1 and 2
- Check It Off, Stages 1 and 2
- Find the Pair, Stage 2
Suggested Centers
NoneTeacher 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?
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