Arizona Department of Education
Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
Ohio Department of Education
Describing and Creating Plane Figures - Grade One
Young mathematicians draw, create, and describe different shapes using triangles. They discuss attributes of the original and created shapes. Pupils classify the created shapes and draw and write in mathematics journals to communicate...
Curated OER
Shape Up: Playing with Shapes
Encourage your scholars to play with math using this shapes partner game, where players toss a number cube (possibly a die) to determine which geometric shape to draw. The students toss the cube a second time to determine whether they...
EngageNY
Why Move Things Around?
Explore rigid motion transformations using transparency paper. Learners examine a series of figures and describe the transformations used to create the series. They then use transparency paper to verify their conclusions.
Teach Engineering
Seeing All Sides: Orthographic Drawing
How can your draw three-dimensional figures on paper? The lesson shows pupils how to draw orthographic projections of three-dimensional figures composed of cubes. After viewing a PowerPoint presentation, they practice this skill with...
Curated OER
Area of Polygons
Students engage in a lesson that is about the concept of polygons and focuses upon finding the area. They use formulas provided in the lesson in order to solve problems given by the teacher for independent practice. Geometric figures are...
Alabama Learning Exchange
Polygon Perimeters
What are polygons? Learners find the perimeter of various geometric figures that the teacher has drawn in chalk on the sidewalk. A worksheet to record their measurements is provided. Get your third graders outside and exploring the world...
Curated OER
Our World of shapes
First graders listen to Shapes and The Greedy Triangle to identify and describe examples of geometric shapes. In this geometric shapes lesson, look for geometric shapes in real world places. Students make a mobile of shapes in the real...
Curated OER
Introducing Powers and Models
Students construct two dimensional models to illustrate squared numbers. For this geometry lesson, students use graph paper and an x/y axis to build squares exponentially. Students identify powers and relationships between various...
Curated OER
Identify Polygons: Algebra/Geometry Institute
Eighth graders classify geometric figures. In this polygon lesson, 8th graders identify given geometric figures. They compare and contrast different polygons. Students name line segments, identify parallel lines, and interesections. ...
Curated OER
Side Lengths of Similar Shapes
In this geometry skills worksheet, learners examine 4 pairs of similar shapes and use their problem solving skills and the information provided to calculate the length of segments.
Curated OER
Geometry Skills: Solid and Plane Figures
In this geometry skills activity, students respond to 4 questions that require them to examine geometric figures and change them to solid figures and plane figures.
Curated OER
Shape Matching Worksheet
In this geometry worksheet, students draw a line from each geometric shape shown on the left to the matching shape on the right side of the page. They work with plane figures such as a diamond, a square, a circle, and a triangle.
Curated OER
Geometry and Shapes in the X-36
Students describe, draw, and classify shapes. They use the internet to research the X-36 aircraft. Students identify the geometric shapes in the aircraft. They calculate the number of sides in an x-36.
Curated OER
Calculate the Area of Compound Figures
In this geometry skills worksheet, students respond to 4 questions that require them to calculate the area of compound figures.
Curated OER
Nets and 3 Dimensional Figures
In this nets and 3 dimensional figures worksheet, 5th graders look at the 3D figure and the net and mark yes or no if it is an accurate representation.
Curated OER
Names of figures
In this shapes instructional activity, students pick the correct names of the 2D shapes, and pick out the correct 2D shape. Students complete 4 problems total.
Curated OER
Shape Matching Worksheet - In Color
In this geometry instructional activity, students draw a line from each of four shape on the left to the matching shape on the right. They match colors and shapes which include a diamond, a circle, a triangle and a square.
Curated OER
Shape Matching Worksheet - Black and White
In this geometry worksheet, learners draw a line from each geometric shape shown on the left to the matching shape on the right side of the page. They work with plane figures such as a triangle, an oval, a rectangle, and a hexagon.
Curated OER
2D and 3D figures
In this 2D and 3D figure worksheet, students name different shapes and decide if they are polygons or not. Students complete 8 problems.
Curated OER
Solid Figures
In this solid and plane figure learning exercise, students pick which solid figure they could trace to make the plane figure shown. Students complete 4 multiple choice questions.
Dick Blick Art Materials
Start with a Circle...
The Golden Ratio. The Divine Proportion. Yup. It's math and art blended into one colorful activity. Young artists combine colored tissue paper circles and parts of circles to create geometric patterns. As a bonus, kids get to figure out...
Virginia Department of Education
Exploring 3-D Geometry
Take young mathematicians on an exploration of the world of 3-D geometry with this seven-lesson unit. After first defining the terms perimeter, area, and volume and how they apply to the real world, students continue on to learn the...