Lesson Plan
Curated OER

Area, Perimeter and Rations Using Pentominoes

For Teachers 3rd - 10th
Learners of all ages investigate area and perimeter through pentominoes. In this geometry lesson, students calculate the are and perimeter of different geometric shapes and describe the properties of similar and congruent shapes. This...
Lesson Plan
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Illustrative Mathematics

Representing Half of a Circle

For Teachers 2nd - 4th Standards
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, young scholars are asked to determine whether or not one half of each circle is shaded. To...
Worksheet
Curated OER

Transformations and Translations in Geometry

For Students 8th - 10th Standards
In this transformations and translations in Geometry worksheet, learners use geometric shapes and grids to translate six transformations in each of two activities.
Handout
Shmoop

Coordinate Proofs

For Students 8th - 11th Standards
How do you know you know? Prove it! The guide goes through several examples and includes a link to a video to teach learners how to work through coordinate proofs. The goal is to prove that different shapes are indeed that shape. 
Lesson Plan
Curated OER

Area of Tangram Pieces

For Teachers 3rd - 4th
Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this lesson. They make a set of tangrams and use them to compute area. They use...
Worksheet
Curated OER

Math Who Am I? Worksheet 3

For Students 3rd - 4th
In this math who am I worksheet, students read geometric shapes and math terms clues, fill in the blanks, and check their answers by circling each third letter in boxes with answers. Students write eight answers.
Worksheet
Curated OER

Geometric Shapes and Angles

For Students 10th
For this geometry worksheet, 10th graders review polygons and solve for the missing angles of trapezoids and isosceles triangles. There are 10 questions on this worksheet with an answer key.
Lesson Plan
Curated OER

Cut, Construct and Think

For Teachers 4th - 5th
Students complete geometrical shapes construction activities. In this geometrical concepts lesson plan, students cut shapes from a worksheet to create a geometrical study activity. Students analyze their shapes and complete a table....
Worksheet
Curated OER

Leveled Problem Solving: Visualizing Solids

For Students 2nd - 3rd
Connecting academic concepts to real-life applications is an important component of any lesson, especially with such topics as geometric shapes. In this worksheet on geometric shapes, students answer word problems. This worksheet could...
Lesson Plan
Pennsylvania Department of Education

Making Triangles

For Teachers Pre-K - 2nd
Students use interactive geoboards to identify simple geometric shapes. In this making triangles lesson, students describe the properties associated with geometric shapes. Students develop spatial sense and the mathematical meaning...
Worksheet
Curated OER

Pair Them Up

For Students 2nd - 4th
In this geometric shapes practice worksheet, learners examine 7 shapes on the left side of the page and match them with congruent shapes on the right side of the page. An example is included.
Lesson Plan
Curated OER

Surface Area with Polydrons

For Teachers 3rd - 4th
Students explore measurements by analyzing geometric shapes. In this surface area instructional activity, students identify the terms volume, weight, perimeter and area in order to find the requested measurements of specific polygons....
Lesson Plan
Curated OER

Creature Design

For Teachers 5th
Fifth graders create mathematical creatures. In this geometry lesson, 5th graders create a creature from regular and irregular geometric shapes. Students review vocabulary and construct an original creature based on a rubric.
Lesson Plan
Curated OER

Problem Solving Using Power Polygons

For Teachers 3rd - 10th
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
Worksheet
Curated OER

Congruent Shapes

For Students 3rd - 4th
In this congruent shapes worksheet, students analyze a group of 20 geometric shapes that have letter labels. Students find pairs of shapes that are congruent in this group and write the letters of the shapes that match.
Lesson Plan
Curated OER

Measurement

For Teachers 7th
Seventh graders measure surface area. In this geometry lesson, 7th graders find the surface area of various geometrical shapes. Using a computer program, students compute the area of 2-D and 3-D shapes.  Students use...
Worksheet
Curated OER

Second Grade Geometry

For Students 2nd
In this second grade geometry worksheet, 2nd graders answer 10 multiple choice questions about geometric shapes, with the answers available online.
Lesson Plan
Curated OER

Terrific Tangrams

For Teachers 3rd
Third graders construct tangrams. In this tangrams lesson, 3rd graders manipulate basic shapes to construct tangrams. Students explore how shapes can be combined in different ways and develop spatial sense.
Lesson Plan
Curated OER

Using R&R to Teach Mathematics

For Teachers 2nd
Second graders create a shape garden. For this polygons lesson, 2nd graders practice making shapes using a geoboard and read the book The Greedy Triangle by Marilyn Burns.  Students also design a shape garden using construction...
Lesson Planet Article
Curated OER

Analyzing 3-D Shapes and 2-D Representations

For Teachers 3rd - 6th
Students can analyze 3-D objects better with actual physical models and by also drawing 2-D representations of them.
Lesson Plan
Curated OER

What a View!

For Teachers 4th - 6th
Students examine two- and three-dimensional shapes and figures. Individually, they practice identifying the shape from various viewpoints. By completing this activity, they develop a spatial sense about how figures and shapes are...
Worksheet
Curated OER

Three- and Two- Dimensional Geometry

For Students 7th
In this three- and two- dimensional geometry worksheet, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of each...
Lesson Plan
Curated OER

Pyramids and Prisms: Guler's Formula

For Teachers 6th
Sixth graders detect and categorize the attributes of geometric shapes to solve problems. In this geometry lesson, 6th graders construct a variety of polyhedra. Students recognize the relationships between two dimensional and three...
Lesson Plan
Curated OER

Where has Polly Gone?

For Teachers 4th - 6th
Learners explore polygons and their uses in careers. They also discover polygons shapes in manmade objects and nature. They use their acquired knowledge to construct a strong structure using polygon shapes.

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