Lesson 5

The purpose of this lesson is for students to practice adding numbers within 1,000.

This lesson is optional because it is an opportunity for extra practice that not all classes may need. In Activity 1, students learn stage 7 of the Five in a Row: Addition and Subtraction center. In this new stage, students add within 1,000 without composing. In Activity 2, students choose to continue working on Five in a Row, or choose between two previously introduced centers focused on place value in three-digit numbers.

Each group of 2 students needs 10 counters and 2 paper clips.

Gather materials from:

• Five in a Row: Addition and Subtraction, Stages 6–7 
• Get Your Numbers in Order, Stage 2
• Mystery Number, Stage 2
• The Greatest of them All, Stage 2

Revisit the norms you established as a class about doing mathematics. Which norms are working and which might need revision? Are there any norms you or your students might want to add?