Curated OER
Perimeter and Circumference
In 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
Young scholars explore geometric shapes. In this geometry and language development lesson, students take a walk and look for shapes in the objects outdoors. Young scholars match each of four individual paper shapes they are carrying...
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 is...
Curated OER
Calculate the Area
In this area of a circle worksheet, 6th graders must calculate the area of 5 circles given either the radius or diameter. Students must write the area on the line provided and a blank space is provided for students to work out the...
Curated OER
Calculate the Circumference
For this calculate the circumference worksheet, 7th graders find the circumference given the diameter of 4 circles; the formula and the answers are provided.
Curated OER
Calculate the Radius
In this calculating radius worksheet, 6th graders find the radius of 5 circles given the circumference information. Students must write the radius on the line provided and a box is provided to them to show their work.
Curated OER
Calculate the Diameter
In this diameter worksheet, 6th graders find the diameter of 5 circles. Students are given the formula for circumference and circumference information along with a blank box to complete their work.
Curated OER
Find Radius of the Circles
In this finding the radius of circles worksheet, students must calculate the radius of 4 circles. Students are given diameter and must write the radius on the line for each circle.
Curated OER
Finding the Sum of the Perimeters of 3 Small Circles
In this geometry worksheet, students find the sum of the perimeters of three small circles. These small circles are tangent to each other and to a larger circle. The centers of the small circles have their centers on the diameter of...
Curated OER
Arc and Angles Formed by Secants and Tangents
For this calculus worksheet, 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.
Curated OER
Mixed Review on Formulas & Theorems on Geometry of Circles
In this geometry instructional activity, 10th graders review the formulas and theorems on circles. Problems are comprehensive and detailed. The instructional activity is eleven pages long and contains nine problems. Not all answers...
Curated OER
A Different Proof of the Law of Cosines
In this proofs instructional activity, students construct 1 proof of the law of cosines. Students construct a right triangle within a circle to prove the law of cosines.
Curated OER
Circles and Parabolas
In this circles and parabolas worksheet, students follow directions to draw parabolas. They fold paper to represent a parabola. Students also use straight lines to create a circle. This one page worksheet contains three multi-step...
Curated OER
A Walk Around the Earth
In this walk around the earth problem, students determine how much farther your head travels than your feet. They use the circumference of the earth and pi to determine the distance traveled. This one page instructional activity contains...
Curated OER
Circle Circus
Third graders find the radius and diameter of a bubble. In this radius and diameter lesson, 3rd graders create bubbles on their desk and find the radius and diameter of the bubble. Students work in partners to define circle terms and...
Raytheon
Geometry: Circles
In this geometric circumference worksheet, 8th graders calculate the circumference of each of the 18 circles. The remaining pages of the worksheet include formulas and lesson ideas on finding the circumference of circles.
Curated OER
Arcs and Angles Formed by a Tangent and a Chord
In this math worksheet, 10th graders solve problems involving a tangent line intersection the arc and forming various angles. There are 6 problems to be solved.
Curated OER
New York State Testing Program
In this state testing worksheet, students solve problems on a variety of topics studied throughout the year. They find the median, solve algebraic equations, solve proportions, simplify expressions, find percents, and complete...
Curated OER
Yoplait with Areas and Volumes
In this areas and volumes worksheet, high schoolers find the area of truncated cones and elliptical cylinders. They find the area by using one of three methods: the disk method, the shell method, and using geometry. This one-page...
Curated OER
Calculation the Cricumference of Earth using "Google Earth"
Eighth graders investigate properties of circles. In this eight grade mathematics lesson plan, 8th graders apply proportional reasoning to data gathered with “Google Earth” to calculate equatorial and polar circumference of the Earth.
Curated OER
Polygon People
Students identify polygons. In this polygon people instructional activity, students draw required shapes and construct a polygon person. They identify each shape and its characteristics. The instructional activity may be extended by...
Curated OER
It's My Time!
Students create a pie chart. In this time lesson, students determine the amount of time they spend on given activities. They create a pie chart diagraming the data. Students share their graphs with the class.
Curated OER
Details from an Exploding Star
In this nebula worksheet, students read about the Crab Nebula and calculate the average speed of the expanding gas. They determine the size of the smallest clumps of gas and they draw the diameter of the solar system to scale.