Balanced Assessment
Bicycle Chain II
Apply geometric concepts to a design problem. Individuals examine the structural setup of the chain on a bicycle and use the measurements of the circles to determine the length of the chain.
Teach Engineering
Discovering Relationships Between Side Length and Area
Consider the relationship between side length and area as an input-output function. Scholars create input-output tables for the area of squares to determine an equation in the first installment of a three-part unit. Ditto for the area of...
PreKinders
A World of Shapes
There are shapes everywhere you see! Use a presentation about shapes to encourage young learners to find squares, circles, triangles, and rectangles in a series of pictures. One slide shows kids what the shapes look like, and then a...
American Farm Bureau Foundation for Agriculture
Shapes on the Farm
Whether you live in the city, the suburbs, or out on the farm, shapes are everywhere in the world around us. Presented with an illustration of a farm, youngsters are tasked with coloring in all of the triangles,...
Georgia Department of Education
Analytic Geometry Study Guide
Are you looking for a comprehensive review that addresses the Common Core standards for geometry? This is it! Instruction and practice problems built specifically for standards are included. The material includes geometry topics from...
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.
Curated OER
Expressing Geometric Properties with Equations
Algebra and geometry are not interchangeable. Demonstrate why not with a series of problems that deal with the equations of circles and equations of lines that meet specific criteria.
CK-12 Foundation
Hockey Simulation
Do you understand the science behind hitting a hockey puck to control the direction it moves? Pupils experiment by telling a hockey player how to hit the puck so it moves in a circular direction. Through manipulating the velocity and...
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 lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent...
Curated OER
Circles
In this geometry activity, 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. In 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...
Curated OER
Refraction Through a Circular Disk
In this refraction through a circular disk worksheet, 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
English Literature Circle Discussion
Learners participate in literary circles to analyze characters, critique writing, discuss events, and story elements. For this literary circles lesson, students take responsibility for their learning as a member of the...
Curated OER
Comparisons with Circles
In this geometry learning exercise, 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.
Curated OER
Dopey Dragon Shapes - square, circle, triangle, and rectangle
In 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
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
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
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
My Hero Learning Circle
Learners participate in a collaboration activity. For 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...
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. In this tangent line lesson, learners graph a circle and two lines on their graphing calculator using Cabri Jr. Learners construct the lines so that they both intersect at a given point and are both...
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