Shodor Education Foundation
Conic Flyer
Graphing conics made easy. Individuals use an interactive to graph conic sections. The app can handle circles, vertical and horizontal parabolas, ellipses, and vertical and horizontal hyperbolas.
Physics Classroom
Universal Gravitation
Are you feeling weighed down by your current gravitation presentation? Assign a hands-on interactive instead! Physics scholars work through a series of progressively harder questions about mass, distance, and gravity using an online...
Physics Classroom
Gravitational Field Strength
Budding scientists fall hard for a gravitational field strength activity! Physics pupils compare the masses and distances relative to the center of planets using an interactive from a Circular and Satellite Motion series. Individuals...
Curated OER
Writing: Mentor Text Lesson & Microteaching
Mentor texts are a great way to demonstrate how to write with purpose. Pupils will be reintroduced to two well-known books and then asked to think about them from the writer's point of view. They will see that the author had to use basic...
Curated OER
Circles
Tenth graders explore and define the radius and diameter of a circle. In this geometry instructional activity, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and...
Texas Instraments
Angles in Circles
Teach your learners how to investigate the relationship between a central angle and an inscribed angle which subtend the same arc of a circle. The dynamic nature of Cabri Jr. provides opportunity for conjecture and verification.
Curated OER
Circles
In this geometry worksheet, students solve problems by finding the diameter, radius and chord of a circle. They also solve for the area of the circle. There are 10 questions with an answer key.
Curated OER
Unit Circle Lesson Plan
Students identify different locations on a unit circle. For this precalculus lesson, students identify the different trig properties and rewrite the equation of a circle in standard form. They use mnemonic devices to help them remember...
Curated OER
Refraction Through a Circular Disk
In this refraction through a circular disk activity, students are given a diagram of a circular disk of leaded glass with light striking it. Students use the diagram to find the angle of incidence of the light, the angle of refraction,...
Curated OER
Dopey Dragon Shapes - square, circle, triangle, and rectangle
For this plane figures worksheet, students identify the squares, circles, triangles, and rectangles by coloring and tracing them and determine understanding by drawing and printing the names for the figures. Students complete eighteen...
Curated OER
English Literature Circle Discussion
Students participate in literary circles to analyze characters, critique writing, discuss events, and story elements. In this literary circles lesson, students take responsibility for their learning as a member of the group. Students...
Curated OER
Comparisons with Circles
In this geometry activity, learners 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.
Curated OER
Special Triangles and Circles
Students investigate special triangles and circles. In this geometry lesson, students construct a perpendicular bisector and discuss angles of a triangle. They find the angle bisectors, vetex and the types of circle constructed.
Curated OER
Inscribing a Circle in a Triangle
Pupils investigate inscribing a circle in a triangle. They use Cabri Jr. to draw a triangle, locate the incenter, and use the distance from the incenter to a side of the triangle to inscribe a circle. The dynamic nature of the geometry...
Curated OER
Finding Areas of Triangles, Rectangles, and Circles
Students find the areas of geometric shapes. In this geometry instructional activity students find and measure the sides, perimeters, and areas of quadrilaterals, triangles, and circles. Students relate the measures to the others by...
Curated OER
Spinning in Circles
In this secondary mathematics worksheet, students determine the speed at which we travel a circle around the axis of the earth and around the sun. The one page worksheet contains one problem. A solution is provided.
Curated OER
My Hero Learning Circle
Students participate in a collaboration activity. In this My Hero Project lesson, students discover what a hero is to someone halfway around the world and themselves. Over the 16-week session, circles, made up of between 6-9 classes from...
Curated OER
Circle of Gold: Guided Reading
Students participate in 8 guided reading sessions in which they read the novel, Circle of Gold, by Candy Dawson Boyd. They focus on and discuss characterization, synthesis, analysis, and predicting. They complete journal entries and...
Texas Instruments
Exploring Tangents
Explore the concept of tangent lines. For this tangent line lesson, learners graph a circle and two lines on their graphing calculator using Cabri Jr. Students construct the lines so that they both intersect at a given point and are both...
Curated OER
Circle Secrets- Multiplication Puzzles
In this circle secrets- multiplication puzzle worksheet, 3rd graders attempt to determine the secret of three factors that are shown in a circle. They find the products of the numbers that are displayed in triangles, look at the numbers...
Curated OER
Introducing Literature Circle Roles to Students
Students read a narrative selection and select a literature circle role. In this reading comprehension lesson, students work in groups to identify vocabulary, make text connections, or other reading comprehension strategies. Students...
Curated OER
Defining the Circular Functions
For this calculus worksheet, students solve values involving trigs and the unit circle. They identify graphs of sine, cosine and tangents. They solve for angles using the unit circle and the calculator.
Curated OER
Cabri Jr. Inscribed Angles
Young scholars construct inscribed angles using Cabri Jr. They draw a circle on their graphing calculator, then construct an inscribed angle and measure its angle measures. Learners drag the inscribed angle around the circle. They make...
Curated OER
Area and Perimeter of Regular Polygons - An Extension
Pupils explore the relationship between area and perimeter of polygons.They measure the area and perimeter of regular polygons inscribed in a circle. Learners then discuss how as the number of sides of a regular polygon increase, the...
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