Lesson Plan
Curated OER

Isosceles Triangle Theorem

For Teachers 8th - 10th
In this geometry worksheet, students differentiate between regular triangles and isosceles triangles. They apply the converse theorem and the vertex angle. There are eleven questions with an answer key.
Lesson Plan
Curated OER

Isosceles Triangle Theorem

For Teachers 8th - 9th
For this geometry worksheet, young scholars differentiate between isosceles and regular triangles. They calculate the area and perimeter of the triangle. There are eleven questions with an answer key.
Lesson Plan
Curated OER

Simplifying Radicals

For Teachers 10th
In this geometry worksheet, 10th graders simplify radicals.  The one page worksheet contains twelve problems.  Answers are not included. 
Lesson Plan
Curated OER

How Many Units?

For Teachers 2nd - 3rd Standards
Young mathematicians calculate the area of rectangles and squares. In this geometry lesson plan, learners are grouped in pairs and use geoboards to construct rectangles. They calculate the area of the figure by counting the number of...
Lesson Plan
Curated OER

Box It Up

For Teachers 7th - 9th
Students calculate the surface area of prisms. In this geometry instructional activity, students investigate the properties of prisms and analyze ways to calculate the are of a rectangular prism. They derive the formula for surface area.
Lesson Plan
Curated OER

Down The Line

For Teachers 8th - 11th
Learnersinvestigate three-dimensional shapes. In this geometry lesson, pupils calculate the volume of cylinders using the given dimensions. They create a formula base don observation before using the real formula.
Lesson Plan
Curated OER

Fill 'Er Up

For Teachers 6th - 8th
Middle schoolers identify how many smaller units can be found in a later unit. In this geometry lesson, students calculate the volume and the transfer amount to a smaller unit. They solve real life problems using the formula for...
Lesson Plan
Curated OER

Johnny Appleseed Origami

For Teachers 2nd
Second graders make an origami Johnny Appleseed. In this geometry instructional activity students follow folding instructions. They find different geometric shapes while they are folding. They create Johnny Appleseed's body and attach a...
Lesson Plan
Curated OER

Wallpaper and Tessellations

For Teachers 2nd - 5th
Students learn about and make tessellations.  In this geometry instructional activity, students watch a video about wallpaper tessellations and use a handout to learn about tessellations. Students make an irregular...
Lesson Plan
Curated OER

I. M. Pei and the Geometry of the NGA

For Teachers 5th - 8th
Students compare design elements in neoclassical and modern architecture. They review knowledge of triangles and quadrilaterals and design a geometric pattern using Pei's polygons They create a city plan using a variety of lines and...
Lesson Plan
Curated OER

Geometry

For Teachers 4th
Fourth graders explore symmetry and congruent figures. They draw letters of the alphabet that have symmetry, draw congruent figures, draw figures on dot paper, and complete three worksheets.
Lesson Plan
Curated OER

Geometry Fun

For Teachers 3rd - 5th
Students learn the basic definitions of a quadrilateral, parallelogram, rectangle and square and explain the relationship/classification process between them.
Lesson Plan
Curated OER

Tangram Geometry

For Teachers 1st - 5th
Students listen to a story involving Tangram pieces. Students use Tangram pieces to complete shapes using an outline of a design.
Lesson Plan
Curated OER

Edible Geometry

For Teachers 6th - 8th
Middle schoolers examine a chart that lists the main characteristics of polygons and 3 dimensional figures. They make examples of the polygons and figures using pretzels and gum drops showing how the gum drops are vertices and the...
Lesson Plan
Curated OER

Baseball Geometry

For Teachers 6th - 8th
Middle schoolers apply various methods for finding the volume and surface area of sphere. They compare and contrast results among these mathematical methods. They work in cooperative groups to discuss their results with one another.
Lesson Plan
Curated OER

Geometry- Hands and Feet

For Teachers 2nd - 5th
Students identify units of measurement. In this measurement lesson, students predict the length and width of their hands and feet. Students discuss their findings and if their predictions were correct.
Lesson Plan
Curated OER

Geometry of Democracy

For Teachers 3rd - 5th
Learners explore the architecture of New England by identifying geometric shapes.  In this architectural instructional activity, students examine photographs of classic building architecture and use a transparency to trace geometric...
Lesson Plan
Curated OER

Kindergarten: Geometry in Our World (Centers)

For Teachers K
Students identify attributes in real-life objects and models of solids and connect these attributes to characteristics of shapes such as circles, triangles, squares, and other rectangles. They discuss the ability of the object to roll,...
Lesson Plan
Curated OER

Geometry of Triangles Using a Protractor

For Teachers 7th
Seventh graders use a protractor to measure angles and solve a problem involving distance. For this measuring angles with a protractor lesson plan, 7th graders calculate the distance of a line on a diagram by using a protractor to...
Lesson Plan
Curated OER

5 Vector Geometry

For Teachers 10th - 12th
Young scholars imagine the way lines look. In this vector instructional activity, students recognize how to find a vector equation, Cartesian equation or perpendicular distance. Young scholars find angles between planes. Students...
Lesson Plan
Curated OER

Geometry Practice: Area of Polygons #9

For Teachers 9th - 11th
In this area of polygons worksheet, students find the area of 12 polygons. Each shape is drawn on a grid. The area of each square on the grid is given. Problems are all multiple choice.
Lesson Plan
Curated OER

Geometry Practice: Area of Polygons #8

For Teachers 9th - 12th
In this area of polygons worksheet, high schoolers solve 7 short answer and multiple choice questions about area.  Students find the area of triangles given base and height, or points in the coordinate plane.
Lesson Plan
Curated OER

Geometry- Coordinate Plane

For Teachers 6th - 8th
Students plot points on a coordinate grid.  In this coordinate plane lesson, students use a coordinate grid to locate the perimeter points of pictures, identify quadrants and use the coordinate points to draw the picture on a blank...
Lesson Plan
PBS

Arguing over Area

For Teachers 2nd - 3rd Standards
With the help of the Area Officers and Perimeter Patrol, you learners will develop a better understanding of area and its relationship to perimeter. First, they view a video clip from Cyberchase, and then they visit a website to...

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