Lesson Plan
Curated OER

Escher-Esque Tessellations

For Teachers 8th - 11th
Middle and high schoolers participate in a seven-part lesson creating Escher-Esque tessellations. They demonstrate their knowledge of geometric transformations after viewing a PowerPoint presentation, conducting Internet research, and...
Worksheet
Curated OER

Cylinder: Student Worksheet

For Students 3rd - 5th
Pairs of geometry whizzes work together to determine which of three differently shaped cylinders will have the greatest volume. Pupils cut out the three rectangles embedded in the plan, and tape them together to form a cylinder. From...
Lesson Plan
Shodor Education Foundation

Cross Sections

For Teachers 7th - 12th Standards
Use this activity on cross-sections of three-dimensional shapes in your math class to work on algebra or geometry Common Core standards. The instructional activity includes a list of relevent terminology, and a step-by-step process to...
Lesson Plan
Curated OER

Vocabulary Self-Collection Strategy

For Teachers 3rd - 5th
Dedicate one or two class periods to creating a class glossary of geometry terms. Many geometry terms also appear in our every day vocabulary, but they have very different meanings. For example, the word gross in geometry is very...
Lesson Plan
Curated OER

Sphere Dressing

For Students 7th - 10th Standards
Geometric design makes a fashion statement! Challenge learners to design a hat to fit a Styrofoam model. Specifications are clear and pupils use concepts related to three-dimensional objects including volume of irregular shapes and...
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...
Printables
Virginia Department of Education

Mathematics Vocabulary Cards - Grade 2

For Teachers 2nd
Augment your math curriculum with posters detailing several concepts important to second grade math. Each poster features one math term from geometry, measurement, probability and statistics, computation and estimation, numbers and...
Lesson Plan
Curated OER

Applications of Properties of Quadrilaterals in the Coordinate Plane

For Teachers 9th - 12th
Students explore the concept of quadrilaterals. In this quadrilaterals activity, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
Worksheet
Curated OER

Perimeter – Calculate in Units

For Students 5th - 7th
In this geometry skills practice worksheet, students solve 4 problems that require them calculate the perimeter of 4 geometric figures.
Lesson Plan
Curated OER

Mastering Math Vocabulary

For Teachers 11th - 12th
Students develop math vocabulary by chapter. In this math vocabulary lesson, students develop a notebook of math words and their definitions for each chapter throughout the year. They use these words to further understanding of math...
Worksheet
Curated OER

Calculate Volume

For Students 6th - 8th
In this geometry skills worksheet, students examine 3 figures and the information regarding them in order to calculate the volume of each of them.
Worksheet
Curated OER

Calculate Surface Area

For Students 6th - 8th
In this geometry skills worksheet, students solve 3 problems that require them to calculate the surface area of geometric figures.
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 and Tony Smith Sculpture

For Teachers 6th - 8th
Young scholars respond to Tony Smith's sculpture as art and brainstorm about math concepts inherent in his work. They create a sculpture with polyhedra nets, calculate the cost of covering sculpture in gold, and write an exhibit label...
Lesson Plan
Curated OER

Using Cabri Geometry to Create Fractals

For Teachers 9th - 12th Standards
Learners construct the Sierpinski Triangle using Cabri Jr. They use a step-by-step guide to construct the Sierpinski Triangle on their graphing calculator and then discuss the formula for constructing a nth stage Sierpinski Triangle.
Lesson Plan
Curated OER

Exploring Geometry and Algebra using Cabri Jr. Application.

For Teachers 9th - 12th Standards
Learners solve geometric problems with algebra and graphing in this lesson. They will prove the bisectors theorem using the Cabri Jr. application, which requires Cabri on their TI.
Lesson Plan
Curated OER

Math Journal: Functions and Coordinate Geometry

For Teachers 5th
Fifth graders examine the many uses of coordinate grids. In this graphing instructional activity, 5th graders write data driven equations, discuss the x and y-axis, and determine if using 2 or 3 ordered pairs is better.  Students...
Worksheet
Curated OER

Areas of Irregular Shapes

For Students 4th - 6th
In this geometry worksheet, students practice estimating the area of irregular shapes. There are 5 questions on this worksheet in which they must estimate areas.
Worksheet
Curated OER

Area of Triangles

For Students 4th - 6th
In this geometry worksheet, students answer 12 questions in which they must find the areas of various triangles. Some of the questions provide pictures of the triangles, some only provide the base and height measurements.
Worksheet
Curated OER

Trigonometry

For Students 10th
For this geometry worksheet, 10th graders solve problems that are based on the right triangle trigonometry and the special right triangles. The three page worksheet contains twelve questions.  Answers are not included. 
Lesson Plan
Curated OER

Geometry of The World War II Memorial

For Teachers 6th - 9th
Students develop an appreciation of the use of geometry in our everyday world and structures. Students collect various picures and multimedia objcets that explain geometric principles and place them in a powerpoint presentation to be...
Lesson Plan
Curated OER

Basic Geometry Ideas and Angle Measurement

For Teachers 7th
Seventh graders explore the concept of basic geometry. In this basic geometry lesson plan, 7th graders identify the correct picture for a given vocabulary word such as midpoint, line, ray, or parallel lines. Students discuss examples...
Lesson Plan
Curated OER

Geometry: Area

For Teachers 2nd - 6th
Students visit various websites to calculate the area of circles, triangles, rectangles, trapezoids, and parallelograms. They explore math problems and play interactive games dealing with geometry.
Lesson Plan
Curated OER

2-D Geometry

For Teachers 3rd
Third graders are introduced to new vocabulary related to Geometry. As each word is mentioned, they demonstrate the word with their body. In groups, they identify the similarities and differences between each line and angle. To end...