Lesson Plan
Curated OER

Stained Glass for Your Class

For Teachers K - 8th
Pupils use a 8 1/2 x 11 piece of white drawing paper, each student creates an original line drawing of a subject that interests them. They can create a geometric design. Students place the completed drawing under an 8 1/2 x 11 piece of...
Lesson Plan
Curated OER

A Fibonacci Primer

For Teachers 7th - 10th
Upper graders explore the Fibonacci sequence. They examine the characteristics of the Fibonacci sequence, list the properties of the sequence and determine how it connects to Pythagorean Triples. Related thinking questions are included.
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

Solving Systems by Graphing

For Students 9th
In this solving systems by graphing worksheet, 9th graders solve and complete 5 different problems. First, they change each equation to graphing form. Then, students graph each line and find their point of intersection. In addition, they...
Worksheet
Curated OER

Solving Compound Inequalities

For Students 9th
In this compound inequalities worksheet, 9th graders solve and complete 7 different problems that include graphing various inequalities on a number line given. First, they graph the solution set of each compound inequality. Then,...
Lesson Plan
Curated OER

Folding to Make Shapes

For Teachers 2nd
Second graders identify different polygons and their attributes. In this geometry lesson, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and then find their...
Worksheet
Curated OER

Segments and Rays

For Students 9th - 10th
In this segments and rays worksheet, students sketch relationships, find the missing measurements, and find coordinates of the midpoint of segments on a number line.
Lesson Plan
Curated OER

Incenter of a Triangle

For Teachers 10th
Tenth graders find the incenter of a triangle. In this geometry lesson, 10th graders define the way to create an incenter with an angle bisector. They differentiate between incenter and incircle.
Worksheet
Curated OER

Writing and Graphing Linear Equations on a Flat Surface

For Students 8th - 10th
In this linear equations worksheet, students write the equation of a line with given characteristics. They identify the slope of a line and the y-intercept. Explanations and examples are provided at the beginning of the worksheet. This...
Lesson Plan
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Curated OER

A Rectangle in the Coordinate Plane

For Teachers 7th - 9th Standards
A quadrilateral is drawn on the coordinate plane, and eighth grade geometers find the length of each side and the diagonals by applying the Pythagorean theorem. 
Worksheet
Curated OER

Self Check Practice

For Students 9th - 12th
In this planes activity, learners solve 5 multiple choice problems. Students determine which planes intersecting create a given line. Learners determine which point is coplanar with three other ones.
Worksheet
Curated OER

Geometry Concepts and Applications

For Students 10th
In this concepts and applications review worksheet, 10th graders solve and complete 40 various types of multiple choice problems. First, they write the equation of a vertical line passing through a point. Then, students find the...
Lesson Plan
Curated OER

What's The Idea?

For Teachers 6th
Sixth graders explore line segments, rays, parallel, perpendicular and intersecting lines. The teacher discusses, with the class, real life items that represent each geometric idea studied. They use cotton balls, strings and popsicle...
Lesson Plan
Curated OER

Properties of Special Parallelograms

For Teachers 8th - 10th
Students identify properties of parallelograms. In this geometry lesson, students label polygons as parallelogram or not. They define and label the properties of a kite.
Worksheet
Curated OER

Center of Attention

For Students 4th - 6th
In this finding the center worksheet, students find the center of a rectangle and a circle by using cardboard and a ruler. Students then answer 2 questions.
Worksheet
Curated OER

Parallelograms

For Students 10th
In this parallelograms worksheet, 10th graders identify and describe a quadrilateral, a diagonal, and a parallelogram in 7 different problems. First, they find the values of x, y, and z in each quadrilateral to prove that it is a...
Lesson Plan
Curated OER

Lines: Invisible Journeys

For Teachers 1st - 2nd
Students create visual roadmaps and follow them with gesture to create lines. They draw lines with a white crayon on paper and then paint to create a crayon resist.
Worksheet
Curated OER

Skills and Application

For Students 9th - 10th
In this geometry worksheet, students identify the different properties of parallel lines cut by a transversal. They identify the different angles created by such lines. There are 16 questions.
Worksheet
Curated OER

Geometry Worksheet #13

For Students 10th
In this geometry worksheet #13 worksheet, 10th graders work in groups to solve 6 geometry problems, involving measurement of angles.
Lesson Plan
Curated OER

Diagonals of Quadrilaterals

For Teachers 9th - 10th
Students find the diagonals of the quadrilaterals. In this geometry activity, students identify and use properties of quadrilaterals. They define different parts of a quadrilateral shape.
Lesson Plan
Curated OER

Solving Systems by the Elimination Method

For Teachers 9th - 12th Standards
Pupils solve equations by elimination and use the TI to graph the lines and find the point of intersection.
Lesson Plan
EngageNY

Secant Angle Theorem, Exterior Case

For Teachers 9th - 12th Standards
It doesn't matter whether secant lines intersect inside or outside the circle, right? Scholars extend concepts from the previous lesson to investigate angles created by secant lines that intersect at a point exterior to the circle....
Lesson Plan
PBS

Geometry: Hide and Seek

For Teachers 5th - 7th Standards
A geometry game that resembles Battleship is the foundation for hide and seek where "hiders" draw shapes on coordinate planes and "seekers" must guess the shape and its location based on questions and clues. Reproducible, paper-sized...
Lesson Plan
Curated OER

Three-Dimensional Figures

For Teachers 6th
Sixth graders explore three-dimensional objects. Using various objects found in the classroom, they identify faces, edges, and vertices of objects. Students create their own objects. They describe the polydron, telling the faces,...