Lesson 14

Center Day 2 (optional)

Lesson Purpose

The purpose of this lesson is for students to practice adding and subtracting within 100 and representing addition and subtraction on the number line.

Lesson Narrative

This lesson is optional because it is an opportunity for extra practice that not all classes may need. In Activity 1, students learn stage 1 of the Jump the Line center. In this new center, students take turns making strategic choices about numbers to add or subtract to reach target numbers. In Activity 2, students choose to continue working on Jump the Line, or choose between two previously introduced centers focused on addition and subtraction. 

Learning Goals

Teacher Facing

  • Practice addition and subtraction within 100.
  • Represent addition and subtraction on the number line.

Student Facing

  • Let’s practice adding and subtracting and using the number line.

Required Materials

Materials to Gather

Materials to Copy

  • Jump the Line Stage 1 Gameboard
  • Jump the Line Stage 1 Spinners

Required Preparation

Activity 2:

Gather materials from:

  • Jump The Line, Stage 1
  • Number Line Scoot, Stage 1
  • How Close, Stage 3

CCSS Standards


Lesson Timeline

Warm-up 10 min
Activity 1 20 min
Activity 2 20 min
Lesson Synthesis 10 min

Teacher Reflection Questions

Think about times when students were able to make connections to and build on the ideas of their peers during discussions in this unit. What norms or routines allowed students to engage with other students’ ideas respectfully?

Print Formatted Materials

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Student Task Statements pdf docx
Lesson Cover Page pdf docx
Teacher Guide Log In
Teacher Presentation Materials pdf docx
Blackline Masters zip

Additional Resources

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