Unit 2
Addition and Subtraction Story Problems
Unit Goals
Unit Narrative
In this unit, students learn to solve new types of addition and subtraction story problems. As students make sense of the problems and share the ways they solve them, they deepen their understanding of addition, subtraction, and the relationship between these operations. These new problem types also elicit computation strategies, such as counting on, that students will use throughout the year as they add and subtract within 20 and develop fluency within 10.
In kindergarten, students solved a limited number of story problem types within 10. They made sense of...
to access End-of-Unit Assessments.