Lesson Plan
Curated OER

Fractal and the Dragon Curve

For Teachers 11th - 12th
Students explore Fractal designs. In this geometry lesson, students observe the different polygons created in nature and relate it to math. They define polygons on planes and rotate polygons about a point.
Lesson Plan
Curated OER

Circles, Rectangles, Squares, Triangles

For Teachers K
Students identify, compare and classify the various shapes. In this shapes lesson plan, students listen to descriptions of shapes with words such as sides, angles, congruent, and parallel. Students then give the teacher examples of...
Interactive
Curated OER

Geometry

For Students 2nd - 3rd
In this geometry/math worksheet, students name eight shapes by circling the name that best describes it. Students select the correct answer from 4 choices.
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....
Interactive
Curated OER

Ten Multiple-Choice Circle Problems

For Students 9th - 10th
In this circle worksheet, students solve ten multiple-choice questions concerned with the area, radius, diameter, and circumference of a circle.  The solutions are provided by clicking on the "show answers" button on the bottom of...
Lesson Plan
Curated OER

Cutting Corners

For Teachers 2nd
Second graders examine two-dimensional shapes using their characteristics. In this shapes lesson, 2nd graders identify similarities and differences by using cut out shapes, diagrams, mirrors, and graphic organizers.
Lesson Plan
Curated OER

Polygons in Symmetry: Animal Inventions

For Teachers 4th
Fourth graders use polygons to create animal figures with symmetry. In this polygons and symmetry lesson, 4th graders create a symmetrical animal collage by cutting and gluing geometric shapes and figures from math activities.  
Lesson Plan
Curated OER

Arts Impact and Math

For Teachers 3rd
Third graders incorporate math into dancing. In this algebra lesson plan, 3rd graders identify different shapes and patterns using dance movements. They relate the different creations to polygons as they incorporate the use of stretchy...
Lesson Plan
Curated OER

Exploring Transformations with Matrices

For Teachers 9th - 12th Standards
A page right out of the Holt Geometry book. Use a graphing calculator and graph paper to explore transformations with matrices.  
Lesson Plan
Curated OER

A Rectangular Prism and Its Net

For Teachers 6th - 10th
Identify the nets for prisms and other geometric shapes. Learners calculate the surface area of the rectangular prism then sketch the shapes of prisms and other polygons. Unfolded cereal boxes are used as a visual aid, great idea!
Lesson Plan
Curated OER

Symmetry that is Basic and Beautiful

For Teachers 1st - 3rd
Students explore lines of symmetry. In this symmetry lesson, students divide and combine shapes along basic lines of symmetry. Students explore symmetry in real life objects.
Lesson Plan
Curated OER

Our Geometric World

For Teachers 3rd
Third graders explore the attributes of polygons. In this geometric shapes lesson, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students then...
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

Polygon Necklaces

For Teachers 4th - 5th
Students explore geometry by creating jewelry in class. In this polygons lesson, students identify different shapes and characteristics while creating polygon figures from construction paper. Students utilize a multitude of shapes...
Lesson Plan
Curated OER

100 Patch Geometric Quilts

For Teachers 2nd - 4th
Students identify geometric patterns in quilts. In this geometry lesson, students view various types of quilts and identify the geometric shapes. Students construct one hundred patch paper quilts using geometric shapes.
Worksheet
Curated OER

Planes and Lines

For Students 10th
In this geometry worksheet, 10th graders determine the number of planes that can pass through a given point and are perpendicular to a given line.  The one page worksheet contains one multiple choice question.  Answer is...
Worksheet
Curated OER

Geometric Concepts and Polygons

For Students 9th - 11th
For this geometry worksheet, students identify the altitude, perpendicular bisector, median, angle bisector and the area of different polygons. There are 33 problems.
Lesson Plan
Curated OER

Small and Large Squares

For Teachers K - 1st
Young mathematicians classify squares according to attributes. They sort squares according to specific attributes. Students explore squares in repeating patterns and order squares according to size. Engaging extension activities are...
Lesson Plan
Curated OER

Math-Geometry: Area and Perimeter

For Teachers 2nd - 4th
Upper graders measure the area and perimeter of several items. In this area and perimeter instructional activity, learners engage in measuring area and perimeter in several scenarios. Full-group instruction requires students to listen to...
Worksheet
Curated OER

Geometry

For Students 7th - 8th
In this line and angles worksheet, students explore basic geometry vocabulary.  They classify polygons.  Students determine the area and perimeter of given shapes.  They examine the parts of a circle, find volume and...
Worksheet
Curated OER

Geometry: Plane Figures

For Students 5th - 6th
In this plane figure worksheet, students complete 4 multiple choice questions, determining which solid figure can be traced to make a given plane figure. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Pattern Block Fractions

For Teachers 4th
Fourth graders participate in a instructional activity that is about the finding of different fractional sizes with the help of pattern blocks. They define the vocabulary terms of numerator and denominator. The instructional activity...
Lesson Plan
Curated OER

Cutouts

For Teachers 1st - 3rd
Students identify symmetry in shapes. In this geometry lesson, students fold paper to identify lines of symmetry. Students create various symmetrical shapes using folded paper.
Lesson Plan
Curated OER

Geometry in the Constellations: The ER-2

For Teachers 2nd - 4th
Students discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.