In this unit, students focus on unknown partners in addition and subtraction situations. Students adapt strategies for finding an unknown total to finding an unknown partner. They write both equations and answers with labels for story problems.

Unit 1 • Unit 2 • Unit 3 • Unit 4
Unit 5 • Unit 6 • Unit 7 • Unit 8

There is one Family Letter for Unit 3.
Currently available translations are linked below.

Learn about different types of problem students will work with during this unit.