Lesson Plan
Curated OER

Reflections in the Plane

For Teachers 9th - 12th Standards
Have your class explore the concept of reflections as they use Cabri Jr. to construct a triangle and reflect it over a line. Learners reflect shapes across the coordinate plane and across the lines y = x and y = -x.
Lesson Plan
Curated OER

Bisector Construction

For Teachers 10th
In this geometry worksheet, 10th graders construct parallel and perpendicular lines using a compass and a straight edge. There are 4 construction questions with an answer key.
Lesson Plan
Curated OER

Embossed Rose Window Designs

For Teachers 5th - 12th
Students, after researching the history and foundation of Renaissance rose windows, access ArtEmboss to create an original window design. They employ a basic metalworking technique utilizing a soft metal. The design created incorporates...
Lesson Plan
Curated OER

Circles and Angles

For Teachers 9th - 11th
Young scholars identify tangents, chords and secants. In this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
Lesson Plan
Texas Instruments

Copying an Angle

For Teachers 9th - 12th Standards
High schoolers will investigate geometric construction in this geometry lesson. Your pupils can explore the basic construction of copying an angle, using the constructions tools of Cabri Jr.
Lesson Plan
Curated OER

Tessellations

For Teachers 3rd - 6th
Students learn and review basic geometric terms, definitions, and theory, including regular polygons, lines, angles, points, etc. They make a tessellating stamp and create a repeating work of art.
Worksheet
Curated OER

How Do We Measure Angles

For Students 4th - 5th
In these angles and geometry worksheets, students learn about different kinds of angles, angle measurement, and other geometry facts. Students complete 15 questions.
Worksheet
Curated OER

Arc and Angles Formed by Secants and Tangents

For Students 9th - 11th
In this calculus learning exercise, students solve problems by finding the line of tangency and measure of the arcs and angles form by a secant line. There are 9 questions.
Lesson Plan
Curated OER

Which Quadrilateral Is It?

For Teachers 9th - 12th
Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...
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...
Worksheet
Curated OER

Integrate Algebra Practice

For Students 9th - 11th
In this Algebra I/Geometry/Algebra II worksheet, students determine the equations of a line given its slope and the coordinates of appoint on the line.  The two page worksheet contains twelve multiple choice questions. ...
Lesson Plan
Curated OER

Reflections

For Teachers 10th
Tenth graders perform reflections on different geometric shapes. In this geometry worksheet,students define the concept of geometric reflections and find the coordinates of the reflection on a coordinate grid.
Lesson Plan
Curated OER

Hello My Name is . . . Helvetica

For Teachers Pre-K - 1st
Students play various games to help create a classroom community. In this name recognition instructional activity, students combine their name recognition skills with newly learned art and geometric vocabulary. First students discover...
Worksheet
Curated OER

Comparisons with Circles

For Students 8th - 10th
In this geometry worksheet, students are asked to solve fractions using circles. They divide the circles into different parts and use inequality symbols to identify the parts needed. There are 36 problems dealing with fractions.
Lesson Plan
Curated OER

Geometric Angles

For Teachers 8th - 10th
Students explore angles and their use in Geometry. Students investigate three different kinds of angles: obtuse, acute, and right angles through an online activity. They identify pairs of angles with special relationships: vertical,...
Lesson Plan
Curated OER

Archaeology: Digging in the Classroom

For Teachers 3rd - 6th
Students explore how an archaeologist works and makes discoveries. In this archaeology lesson, students participate in a simulation in which they excavate broken pottery. Students use measurement, geometry, and observation skills during...
Lesson Plan
Curated OER

Elements of Art

For Teachers 3rd
Third graders discover elements in visual art. In this visual art instructional activity, 3rd graders explore the use of line, shape, and color in visual art. After reviewing works of art, students create unique art pieces. Technology...
Lesson Plan
Curated OER

Naming Shapes

For Teachers 4th - 6th
Students study geometric shapes and practice naming them properly. In this geometry lesson, students work in groups to give definitions of the vocabulary to each other in their own words. Students also visit a lower grade and teach...
Lesson Plan
Curated OER

Coordinate Plane

For Teachers 10th
Tenth graders plot points on a coordinate plane. In this geometry lesson, 10th graders identify the different quadrants, plots points on a number line and coordinate plane and solve for the midpoint of line segments.
Lesson Plan
Curated OER

Positive and Negative Angles and Arcs

For Teachers 9th - 12th Standards
To better understand that the intersection point of two lines lies inside a circle, learners use their keen measurement skills. They discuss arcs, rays, tangent lines, and reflex angles. Then, they put their skills to work as they...
Lesson Plan
Curated OER

Exploring Diameter and Circumference

For Teachers 9th - 12th Standards
Learn how to identify the diameter and circumference of a circle. Then, collect data on a circle and relate it to the diameter and circumference of a circle. Last, plot data and find the line of best fit.
Lesson Plan
Curated OER

Symmetry

For Teachers 5th - 8th
Learners explore symmetry. In this geometry lesson, student identify and define bilateral symmetry, radial symmetry, pentagonal symmetry, hexagonal symmetry, and cubic symmetry. Students construct examples of these types of symmetry and...
Worksheet
Curated OER

All About Circles Post Test

For Students 7th - 9th
In this geometry worksheet, students answer ten multiple choice facts about circles. The questions include finding the diameter, area, and radius of a circle.
Lesson Plan
Curated OER

Midsegments of Quadrilaterals

For Teachers 9th - 12th Standards
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.

Other popular searches