Unit 1
Adding, Subtracting, and Working with Data
Unit Goals
Unit Narrative
In this unit, students deepen their understanding of addition and subtraction within 10. They also extend what they know about organizing objects into categories and representing the quantities.
In kindergarten, students solved addition and subtraction word problems within 10 using objects and drawings. They learned about Put-Together, Result-Unknown problems and worked toward fluency with sums and differences within 5.
The activities in this unit reinforce these understandings and initiate the year-long work of developing fluency with sums and differences within 10. Some problems involve finding sums greater than 10, a...
to access End-of-Unit Assessments.