CKMath Unit 3: Flat Shapes All Around Us
Focus:
In this unit, students are introduced to the foundational concepts of geometry, with a focus on familiar flat (two-dimensional) shapes. Students see and interact with many examples of a shape to accurately relate what’s in their environment to the geometric term. They explore differences in shapes and use informal language to describe, compare, and sort them. Circle, triangle, rectangle, and square are four shapes that students study and name here. Students also learn a key idea, that congruent shapes are still “the same” even if they are in different orientations. Later in the unit, students use pattern blocks to make larger shapes. They reinforce their counting and comparison skills as they count and compare the pattern blocks used to create larger shapes. Students also use positional words (above, below, next to, beside) to describe the shapes they compose.
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:
longer than • shorter than • length • orientation • geometric
