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Geometry
Mathematics
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The Attributes of Polygons
The Attributes of Polygons
Lesson Plan
The Attributes of Polygons
Get your students discussing the attributes of polygons by having them categorize statements as always, sometimes, or never true. Use this lesson independently or alongside *Characteristics of Polygons.*
3rd grade
Math
Lesson Plan
The Case of the Missing Rectangle Side
The Case of the Missing Rectangle Side
Lesson Plan
The Case of the Missing Rectangle Side
Your students will become junior math detectives as they hunt down the missing side of a rectangle by applying the area formula for rectangles. The only clues they have are the rectangle's area and the measure of one side.
4th grade
Math
Lesson Plan
Perimeter of Polygons
Perimeter of Polygons
Lesson Plan
Perimeter of Polygons
Finding the perimeter of a polygon is a simple process with addition! Use this lesson to teach your students how to find the perimeter of polygons.
3rd grade
Math
Lesson Plan
Tangrams: An Ancient Chinese Puzzle
Tangrams: An Ancient Chinese Puzzle
Lesson Plan
Tangrams: An Ancient Chinese Puzzle
How do you build spatial reasoning, critical thinking, and problem solving skills while doing something that is fun? With tangrams! In honor of Chinese New Year, this lesson introduces your students to the Chinese puzzle of tangrams.
Kindergarten
Math
Lesson Plan
Shape Sort
Shape Sort
Lesson Plan
Shape Sort
Sorting takes on a new challenge for students in this activity which engages their critical thinking skills. As students determine defining attributes, they’ll figure out what makes a shape a shape!
1st grade
Math
Lesson Plan
Finding Area
Finding Area
Lesson Plan
Finding Area
Looking for a fun way to reinforce multiplication and area finding skills? This hands-on lesson gives students a chance to create their own multiplication equations by making rectangular models.
3rd grade
Math
Lesson Plan
Exploring Capacity
Exploring Capacity
Lesson Plan
Exploring Capacity
Use this lesson to introduce the concepts of capacity and volume with young learners. This hands on lesson can be used as a scaffolded pre-lesson to Capacity Comparison.
2nd grade
Math
Lesson Plan
Solid Shape Sort
Solid Shape Sort
Lesson Plan
Solid Shape Sort
Give your students a head start on 3D shapes with this lesson that has them use their observational skills to identify what differentiates the shapes.
2nd grade
Math
Lesson Plan
Fun-tastic Fractions!
Fun-tastic Fractions!
Lesson Plan
Fun-tastic Fractions!
Yummy fractions! This lesson will introduce fractions to your students and help them identify and make fractions of their own.
1st grade
Math
Lesson Plan
Sides, Corners, and More, Oh My!
Sides, Corners, and More, Oh My!
Lesson Plan
Sides, Corners, and More, Oh My!
Geometry is a core of mathematics in the early years. Help students recognize and draw shapes given specific attributes such as the number of corners and sides. This lesson can be a stand-alone activity of paired with 2-D Shapes!
2nd grade
Math
Lesson Plan
Terrific Tangrams!
Terrific Tangrams!
Lesson Plan
Terrific Tangrams!
Introduce your class to composite shapes with this lesson that reviews geometric shapes and makes use of tangram puzzles. This lesson will give your students a strong base for learning geometry later on in their school careers.
1st grade
Math
Lesson Plan
Finding All of the Flat Shapes
Finding All of the Flat Shapes
Lesson Plan
Finding All of the Flat Shapes
2D shapes are all around us! In this lesson students will explore the properties of four different shapes—triangles, circles, rectangles, and squares! They will learn that they can find these shapes anywhere in the world around us.
Kindergarten
Math
Lesson Plan
Classifying 2-D Shapes
Classifying 2-D Shapes
Lesson Plan
Classifying 2-D Shapes
In this lesson your students will classify two-dimensional shapes using a Venn diagram based on their features.
5th grade
Math
Lesson Plan
Calculate Perimeter
Calculate Perimeter
Lesson Plan
Calculate Perimeter
Make real world connections with your students when it comes to perimeter. Use this geometry lesson with your students to discuss real contexts and teach them how to calculate perimeter.
3rd grade
Math
Lesson Plan
Trapezoids Are Special
Trapezoids Are Special
Lesson Plan
Trapezoids Are Special
Students will explore geometric shapes by creating a painting of a trapezoid.
1st grade
Math
Lesson Plan
Describing Angles
Describing Angles
Lesson Plan
Describing Angles
You'll see angles from every angle! Students will describe and compare different angles they see in everyday situations. Use this lesson on its own or use it as support to the lesson Classifying Triangles by Internal Angles.
5th grade
Math
Lesson Plan
The Shape of Me and Other Stuff
The Shape of Me and Other Stuff
Lesson Plan
The Shape of Me and Other Stuff
Teach your students about the shapes that make up the world around them with this lesson that has them identify shapes in the classroom and in drawn scenes.
1st grade
Math
Lesson Plan
Classifying Triangles by Internal Angles
Classifying Triangles by Internal Angles
Lesson Plan
Classifying Triangles by Internal Angles
Classifying figures by features is a fundamental geometry skill. Use this lesson plan to teach your students how to categorize triangles by internal angle types.
5th grade
Math
Lesson Plan
Quizzical Shapes
Quizzical Shapes
Lesson Plan
Quizzical Shapes
Shapes, shapes everywhere! In this lesson, your students will identify shapes and differentiate between the geometrical figures. They will also learn about sides and angles in every shape.
Kindergarten
Math
Lesson Plan
All About Tangram Puzzles
All About Tangram Puzzles
Lesson Plan
All About Tangram Puzzles
Students will love composing shapes using tangrams in this hands-on lesson! Use this plan alone or as a support lesson plan for the **Tangrams: An Ancient Chinese Puzzle** lesson plan.
Kindergarten
Math
Lesson Plan
Geometry Puzzles
Geometry Puzzles
Lesson Plan
Geometry Puzzles
Your students will solve and create shape riddles while practicing their knowledge of shape attributes.
1st grade
Reading & Writing
Lesson Plan
Area Arrangements
Area Arrangements
Lesson Plan
Area Arrangements
Students will use the inverse relationship between multiplication and division to complete an area formula in a real-world situation. Use this lesson on its own or as support for the lesson The Case of the Missing Rectangle Side.
4th grade
Math
Lesson Plan
Insect Graphing
Insect Graphing
Lesson Plan
Insect Graphing
In this lesson, each student will create a unique insect graph! Discuss how many insects are on each line and which lines have the most, least, or equal amounts.
Preschool
Math
Lesson Plan
Break it Down, Put it Together
Break it Down, Put it Together
Lesson Plan
Break it Down, Put it Together
In this lesson, your students will break down composite figures to identify 2-D shapes that make them. Students will put together 2-D shapes to create a composite shape.
1st grade
Math
Lesson Plan
Are You Connected to Me?
Are You Connected to Me?
Lesson Plan
Are You Connected to Me?
How are quadrilaterals connected? In this lesson, your students will learn about the relationship between quadrilaterals by drawing, defining, and labeling different ones.
3rd grade
Math
Lesson Plan