Curated OER
Circles and Arcs, Circumference and Area Multiple Choice
In this circles worksheet, students determine the circumference and area of circles. They compute the length of an arc and find the radius. This one-page worksheet contains 6 multiple-choice problems. This on-line...
Curated OER
Tangents
In this tangents worksheet, students determine the length of a missing side of a right triangles. They use tangent lines to solve problems. This two-page worksheet contains 11 multi-step problems.
Curated OER
Tangents Multiple Choice
In this circles learning exercise, students solve 10 multiple choice problems. Students use a diagram of a circle with tangent lines and segment bisectors to answer each question. Students find unknown segment lengths using the given...
Curated OER
Segment Formulas Homework
In this geometry instructional activity, learners examine three different diagrams and apply the appropriate formulas to each of the following situations: two chords, a tangent and a secant, and two secants. There are 17 questions to...
Curated OER
Area of 2D Shapes Multiple Choice
In this area worksheet, students compute the area of circles, parallelograms and rectangles. This one-page worksheet contains 5 multiple-choice problems. Answers are provided in this online worksheet.
Curated OER
Spheres Homework
In this spheres worksheet, students determine the volume and area of spheres when given the diameter or radius. This one-page worksheet contains 10 multi-step problems.
Curated OER
Labs from YSI 95: Telescopes
Students build a telescope and give quantification of its magnification and field of view while making observations regarding images. In this telescope lesson, students use a simple lens to project a scene and examine various telescope...
Curated OER
Regents Exam Questions G.G.21: Centroid, Orthocenter, Incenter, and Circumcenter
In this triangles worksheet, learners solve 4 multiple choice problems. Students find the centroid, orthocenter, incenter, and circumcenter or various triangles.
Curated OER
Giant Clock, Bug Speed
In this problem solving worksheet, students solve 1 short answer word problem. Students determine the speed of a bug sitting on the end of minute hand on the Allen Bradley Clock Tower.
Curated OER
Algebra II - Lesson 10-3: Circles
In this equations of circles worksheet, students solve 4 short answer problems. Students find an equation of a circle given the center and radius.
Curated OER
Exploring Diameter and Circumference
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.
Curated OER
Measuring the Speed of a Solar Tsunami!
In this solar tsunami learning exercise, students are given three images of the progress of a Morton Wave on the sun. They solve six problems using the images to find the radius of the sun's disk, the scale of the image, and the time...
Curated OER
Circles
Students graph circles. For this graphing lesson students write equations for circles. Students solve equations for circles and graph the results.
Curated OER
Don't Be a Square
Students analyze the relationship between radius and diameter. Students read Sir Cumference and the First Round Table then take measurements of circular items from around the room. Students compute the radius, diameter...
Curated OER
Graphing and Properties of Circles
In this circles worksheet, student solve 18 circles problems in graphing and short answer format. Students find the equation of a circle given the center and radius and vice versa. Students graph circles given their equation.
Curated OER
Circles:Tangents and Chords
For this circle worksheet, students solve classic chord-chord angle problems with the angle on, in, and outside the circle as well as chord-tangent problems. There are 20 questions.
Curated OER
Chapter 8: Circles
In this circles instructional activity, students define and sketch 20 terms about circles. Students sketch radii, chords, diameters, secants, concentric circles, etc.
Curated OER
Discovering Pi
Students relate Pi to a circle. In this circles instructional activity, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
Curated OER
Circle Problem
In this geometry worksheet, learners calculate what the maximum number of regions are that 8 chords can divide a circle. They follow a pattern to arrive at their answers. There is an answer key with this question.
Curated OER
Circles and Squares
In this area worksheet, students find the ratio of 1 area problem. Students find the ratio of areas of inscribed circles to circumscribed squares.
Curated OER
Perimeter and Circumference
For this geometry worksheet, 10th graders determine the perimeter of various polygons and the circumference of circles. The two page worksheet contains twelve problems. Answers are provided.
Curated OER
Chords of a Circle
In this geometry worksheet, 10th graders calculate the length of a chord and the distance from the center of a circle or radius. They compare diameter, chords and radius. There are 10 questions with an answer key.
Curated OER
Everyday Objects with Shapes
Students explore geometric shapes. In this geometry and language development lesson, students take a walk and look for shapes in the objects outdoors. Students match each of four individual paper shapes they are...
Curated OER
Semicircles
In this geometry worksheet, 10th graders are presented with a problem involving semicircles. The diagram appears simple, though it turns out to have a many segments to be labeled with variables. The key to solving the problem...