LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 3

Geometry - The learner will explore the concepts of geometry.

Objective 3.02

Compare geometric shapes (identify likenesses and differences).

Resources aligned to this objective

Shapes
Students will use the Kid Pix Studio Deluxe computer software program to draw a circle, square, rectangle, and triangle. They will be instructed to make the shapes a certain color and size. Then they will print their work.
Format: lesson plan (grade K Mathematics)
By Di Small.
A Birthday Basket For Tia
This lesson will provide your students with an opportunity to brainstorm, predict, and check for understanding throughout this wonderful story about a little girl, Cecilia, who is preparing a special birthday gift for her 90 year-old Aunt Tia. Cecilia collects objects that represent her favorite memories with her aunt. Many uses of technology are suggested to integrate math and science with language and reading.
Format: lesson plan (grade K English Language Arts)
By Jenny Walters.

Resources on the web

Virtual Puzzles
Students work with virtual puzzles to experience turns, rotations, slides, and spatial relationships in a powerful way. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Traveling Along: Measuring and Mapping -- Looking Back and Moving Forward
Students are provided with non-standard measuring tools such as paper clips, pencils, and Tangrams and are instructed to create and label a treasure map that leads to a special play area, a hidden treasure, or a favorite toy. (Learn more)
Format: lesson plan (grade K–2 Mathematics and Social Studies)
Provided by: National Council of Teachers of Mathematics
Tracing and drawing
In this lesson, one of a multi-part unit from Illuminations, students identify and recognize triangles using multiple representations, draw triangles, and locate triangles in their environment. (Learn more)
Format: lesson plan (grade K Mathematics)
Provided by: National Council of Teachers of Mathematics
Three Sides
Students identify and recognize triangles using multiple representations. (Learn more)
Format: lesson plan (grade K–1 Mathematics)
Provided by: National Council of Teachers of Mathematics
Teaching shapes using read-alouds, visualization, and sketch to stretch
This ReadWriteThink lesson encourages strategic reading and real-world math connections using a variety of techniques. Students explore shape and pattern through an adapted sketch to stretch strategy and read-alouds of winter-themed books. In the final... (Learn more)
Format: lesson plan (grade K–2 English Language Arts and Mathematics)
Provided by: ReadWriteThink
Tangram Puzzles
This activity helps students to develop their spatial memory and spatial visualization skills, to recognize and apply transformations, and to become more precise in their use of vocabulary about space. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Puzzling Relationships
Students use concrete materials to develop the skills needed to work with interactive Tangram puzzles in Lesson Seven. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Putting it all together
Students create, design, and evaluate different structures. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: American Association for the Advancement of Science
Making Virtual Triangles
Students identify and recognize triangles using multiple representations interactive electronic geoboards to explore the characteristics of triangles. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Making Triangles
Students use 45- and 90-degree angles to create triangles and develop an understanding of the relationship between angles and the shape of a triangle. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Making Rectangles
Students use their knowledge of numbers, measurement and geometry to plan the steps necessary for a ladybug to draw rectangles of different sizes. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Investigating the concept of triangle and properties of polygons
Describes activities using interactive geoboards to help students identify simple geometric shapes, describe their properties, and develop spatial sense. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
I've Seen That Shape Before
In a variety of activities, students use physical models of simple solid shapes, and identify these shapes in the real-world and in pictures found on websites. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
How Do You Build Triangles?
Students investigate basic properties of triangles. They then investigate the relationships among basic geometric shapes and communicate their findings to their peers. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Going on a shape hunt: Integrating math and literacy
In this ReadWriteThink lesson, students are introduced to shapes through appropriate children's books and many different learning modalities. They then learn shape names, locate shapes in their environment, practice spelling out the names of items and shapes... (Learn more)
Format: lesson plan (grade K–2 English Language Arts and Mathematics)
Provided by: ReadWriteThink
Going Beyond with Triangles
Students create a class triangle book and work with tangrams. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Geoboards
Students identify and recognize triangles using multiple representations, locate triangles in their environment, and construct triangles. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics
Figuring in football
Students examine the influences of pattern, symmetry, and design in the real-world, by looking at a football field. (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: National Council of Teachers of Mathematics