Curated OER
Octagon Lesson Plan
Students investigate octagons using words and shapes. In this geometry lesson, students discuss the shape of an octagon using physical and symbolic models. They make conjecture about the shape and relate it to the real world.
Curated OER
Money Is Irrational
In this geometry lesson, 10th graders fold a dollar bill to make a tetrahedron. They analyze geometric shapes and apply it hands on.
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Polygons
Fourth graders identify and describe lines, shapes, and solids using formal geometric language. They use Inspiration to create a graphic organizer and outline of polygons.
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Marshmallow Geometry
Third graders create 2D and 3D shapes using marshmallows and toothpicks. In this geometry instructional activity, 3rd graders create their shapes and document the number of faces, edges, corners, angles, and sides. They share one shape...
Curated OER
Geoboard Ideas
Students build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Students then switch with a partner to try an make a symmetrical shape.
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Fractions
Students study fractions. In this art lesson, students fold paper, use origami, making new shapes and discuss the area of the shapes created.
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2D Polygons and 3D Nets
Students compare and contrast two dimensional polygons and three dimentional nets by examining the differences in drawings. They create three dimensional shapes and label the faces, edges, and vertices. After creating the shapes, they...
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Pent-up Pentominoes
First graders are introduced to pentominoes in this lesson. Using the Internet, they match pentominoes with the same shape and use a grid sheet to make their own. They are read books by their teacher and they identify the pentominoes in...
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Math/Quilt Connection
Students explore quilting. In this math patterns instructional activity, students define the perimeter of a quilt border, create tessellations using geometric shapes, and detemine the area of a quilt.
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Analyze a Street Map
In this street map worksheet, students analyze a section of a street map of Washington D.C, finding parallel streets, listing streets that form given shapes, and following directions. Answers on page 2.
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Pattern Puzzlers
Learners identify triangles, circles, and squares, then show their understanding of patterns by continuing a pattern that contains three different elements. They utilize worksheets imbedded in this plan to practice using these shapes.
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Color Me Square
Second graders identify and describe basic geometric solids. Working as a class, 2nd graders describe geometric solids using the proper vocabulary and counting faces, bases, corners, and edges. In pairs, students use a computer drawing...
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Tri this Angle!
First graders draw and describe various types of polygons. they investigate their own environments for examples of polygons. After reading the book, The Greedy Triangle, they discuss everyday objects that are polygons. They create shape...
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Making Tangram Pieces by Folding Paper
Third graders follow directions to make a set of tangram pieces. After reading a story, they compare and contrast the differences between two-dimensional shapes. To end the lesson, they use the tangram pieces to create their own...
Mathematics Vision Project
Geometric Figures
Logical thinking is at the forefront of this jam-packed lesson, with young mathematicians not only investigating geometric concepts but also how they "know what they know". Through each activity and worksheet, learners wrestle with...
Charleston School District
The Sum of Angles in a Triangle
An informative lesson contains a brief explanation of how the sum of the angles of a triangle is a line. The lesson continues with determining the missing angle in a triangle, or solving for a variable. Using the sum of the angles, the...
Inside Mathematics
Population
Population density, it is not all that it is plotted to be. Pupils analyze a scatter plot of population versus area for some of the states in the US. The class members respond to eight questions about the graph, specific points and...
Curated OER
Let's Talk Teeth
Complete a number of activities in this group of lessons about dental health and teeth. Your elementary students will like the projects like making teeth models, reading a book, writing poetry and diagramming teeth.
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Different Dice
In this different dice activity, 9th graders read about the use of octahedrons as dice, review the probability with cubical dice, then answer the question of probability when rolling 2 octahedral dice.
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Proving the Pythagorean Theorem
Students solve problems using the pythagorean Theorem. In this geometry lesson, students complete proofs using the Pythagorean Theorem. They share their proofs and solutions with their classmates and family members.
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Translation
Tenth graders identify and interpret vocabulary terms as they relate to vectors. Students practice translations by creating several tessellations. Students determine the direction and distance using vectors. Students use grid paper to...
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Squares Have Roots?
Learners define a square and connect this information to a square root. In this square root activity, students make a chart listing square numbers and their roots.
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Similarity
Students engage in a lesson that is concerned with the concept of similarity. This takes higher order thinking skills and being able to separate into categories. Specifically in this lesson they are introduced to the scale and how it is...
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Geometry and Measurement
Students view a right triangle displayed by the teacher. Students measure legs and the interior angles of the triangle. They look for a pattern or relationship between the legs and angles. Students use pegboards and string to create more...