Lesson 4

Center Day 1

Lesson Purpose

The purpose of this lesson is for students to practice adding within 100 without composing a ten.

Lesson Narrative

In the first activity, students learn stage 3 of the Number Puzzles center. In this new stage, students use digit cards to make addition equations within 100 without composing a ten. In the second activity, students choose from center activities that focus on adding within 100.

  • MLR8

Learning Goals

Teacher Facing

  • Add within 100, without composing a ten.

Student Facing

  • Let’s add within 100.

Required Materials

Materials to Gather

Materials to Copy

  • Number Puzzles Addition and Subtraction Stage 3 Gameboard

Required Preparation

Activity 1:

  • Each group of 2 needs a set of digit cards from the previous center, Number Puzzles.

Activity 2:

  • Gather materials from previous centers:
    • Number Puzzles, Stages 1-3
    • Five in a Row, Stages 1-5
    • Greatest of Them All, Stage 1

CCSS Standards

Addressing

Lesson Timeline

Warm-up 10 min
Activity 1 15 min
Activity 2 25 min
Lesson Synthesis 10 min

Teacher Reflection Questions

How are students working together during center time? Are all students getting the opportunity to participate in the mathematics?

Print Formatted Materials

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Additional Resources

Google Slides

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PowerPoint Slides

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