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Circle, Secants
Students identify the secant segment of a circle. In this geometry lesson, students investigate secant lines formed outside the circle. They use Cabri software to create drawings and explore circles and secants.
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Unit Circle and Triangle
Students apply the Unit Circle to solve ratios of triangles. In this geometry lesson, students derive the different ratios of a triangle using the Pythagorean Theorem. They find the angles of a unit circle using a right triangle.
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Triangle and Circle Trigonometry
For this Pre-calculus/Trigonometry worksheet, students apply advanced triangle and circle trigonometry to solve application problems. The three page worksheet contains sixteen problems. Answers are not included.
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Circular Convolution
In this circular convolution instructional activity, students solve and complete 6 different problems related to determining the circular convolution. First, they plot a point and describe its effect of convolution with high and low...
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Right Triangles and Unit Circles
Students evaluate the six trigonometric values of a trig function. For this trigonometry lesson, students use the Unit Circle to find the values of right triangles and their angles. They identify an angle of elevation and...
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Formulas Homework
In this circle formulas worksheet, students solve 20 fill in the blank problems. Students find the radius, diameter, circumference, area, arc length, and sector area of a circle.
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Phenomenological Pizza
Students explore measurement in terms of pizza toppings. In this math lesson plan, students draw a circle using string and a ruler, determine areas of different size circles, find how many two topping pizzas can be made using 14...
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3.14159265
Students discover the value of Pi. In this value of Pi lesson, students measure the circumference and diameter of various circles on their graphing calculator. Students find the ratio of the circumference to the diameter and...
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The Radian Walk
Students play a game to learn angle measures in radians. In this precalculus/trigonometry activity, students play a game similar to a cake walk. When the music stops, which ever student is selected, names his/her coordinates and place on...
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The Solar System
Students construct a sketch of the planets in our solar system using concentric circles and angles. In this solar system lesson plan, students plot the position of each planet on concentric circles using graph paper. The sun is included...
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Geometry In Space
Students Fulfill the requirements of Texas Standards as it relates to math and science. In this circle lesson, students identify the arcs and angles of a circle as it relates to Pi. They solve real life scenarios using space as an example.
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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...
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Calculation the Cricumference of Earth using "Google Earth"
Eighth graders investigate properties of circles. In this eight grade mathematics instructional activity, 8th graders apply proportional reasoning to data gathered with “Google Earth” to calculate equatorial and polar circumference...
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Search for the Missing Pi
Third graders work in groups of two to three with measuring tapes, finding the circumference and diameter of teacher-selected circular items. They relate circumference and diameter measurements to find pi.
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Data Analysis and Probability
Young scholars make their own puzzle grid that illustrates the number of sit-ups students in a gym class did in one minute, then they make a histogram for this same data. Then they title their graph and label the scales and axes and...
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Geometry Review
In this geometry review learning exercise, 10th graders solve and complete 33 different problems that include identifying various geometric figures and parts of a circle. First, they find the radius of each circle given its diameter....
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Choose an Appropriate Graph
In this graphs worksheet, students solve 6 fill in the blank problems where they choose the most appropriate type of graph for each set of data and explain why they chose that type. Students use bar graphs, histograms and circle graphs....
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Geometry Scavenger Hunt
Students hunt for hidden geometric shapes and compare the properties of various shapes. For this geometry lesson, students play a game of finding squares, circles, rectangles, and ovals that have been hidden around the classroom....
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Birthday Graph
Students explore graphs. In this graphing math lesson, students record the birthdays of each classmate on a data table. Students cut out and add a picture of a birthday cake to a floor or wall pictograph representing the...
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Area of 2D Shapes Multiple Choice
In this area activity, learners compute the area of circles, parallelograms and rectangles. This one-page activity contains 5 multiple-choice problems. Answers are provided in this online activity.
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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.
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Intermediate Matching -- Shapes
Students match the following 10 shapes by drawing a line from their names to their pictures: circle, square, rectangle, cylinder, cube, sphere, oval, triangle, octagon and hexagon. This geometry worksheet provides excellent practice for...
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Froot Loops to the Max- Pie 2
For this Froot Loops to the Max worksheet, students solve 2 different problems related to graphing data with a box of Froot Loops cereal. First, they complete the circle/pie graph using the given data including a key and a title for...
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Geometry
Use this resource as an anticipatory set before a lesson on geometric shapes. A hidden picture slowly appears to reveal a circle, cube, and cylinder. It is a colorful presentation.
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