CKMath Unit 1: Adding, Subtracting, and Working with Data
Focus:
In this unit, students deepen their understanding of addition and subtraction within 10, and extend what they know about organizing objects into categories and representing the quantities.
The activities in this unit reinforce addition and subtraction word problems within 10 using objects and drawings, and initiate the year-long work of developing fluency with sums and differences within 10. Some problems involve finding sums greater than 10, a skill to be honed throughout the course and with the support of tools such as connecting cubes. Students use drawings, symbols, tally marks, and numbers to represent categorical data. They go further by choosing their own categories, interpreting representations with up to three categories, and asking and answering questions about the data.
The unit is also designed to give students time to learn the structures and routines for centers, to create norms for classroom learning, and to build a mathematical community.
Number of Lessons: 14 and 1 optional
Instruction Time:
Approximately 60 minutes
(Please note that each lesson is designed for one instructional block, and may be divided into shorter or longer segments based on teacher pacing and student needs.)
Additional Search Terms:
sort • survey • representation • record • organize • tally • expression
