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Lesson Plan
Curated OER

Phenomenological Pizza

For Teachers 5th - 8th
Students explore measurement in terms of pizza toppings. For 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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Lesson Plan
Curated OER

3.14159265

For Teachers 9th - 12th
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 plot the...
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Worksheet
Curated OER

The Radian Walk

For Students 10th - 12th
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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Lesson Plan
Curated OER

The Solar System

For Teachers 9th - 12th
High schoolers 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...
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Unit Plan
Curated OER

Geometry In Space

For Teachers 9th - 11th
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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Worksheet
Curated OER

Tangents Multiple Choice

For Students 9th - 12th
In this circles worksheet, 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 information.
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Lesson Plan
Curated OER

Exploring Diameter and Circumference

For Teachers 9th - 12th Standards
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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Lesson Plan
Curated OER

Calculation the Cricumference of Earth using "Google Earth"

For Teachers 8th
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. 
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Lesson Plan
Curated OER

Search for the Missing Pi

For Teachers 3rd
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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Lesson Plan
Curated OER

Data Analysis and Probability

For Teachers 7th - 10th
Students 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 graph the...
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Worksheet
Curated OER

Geometry Review

For Students 10th
For this geometry review worksheet, 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. Then,...
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Worksheet
Curated OER

Choose an Appropriate Graph

For Students 4th - 7th
In this graphs learning exercise, 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...
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Lesson Plan
Curated OER

Geometry Scavenger Hunt

For Teachers 1st - 2nd
Students hunt for hidden geometric shapes and compare the properties of various shapes. In this geometry lesson, students play a game of finding squares, circles, rectangles, and ovals that have been hidden around the classroom. Students...
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Lesson Plan
Curated OER

Birthday Graph

For Teachers 1st - 2nd
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 month in which...
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Interactive
Curated OER

Area of 2D Shapes Multiple Choice

For Students 7th - 10th
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.
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Worksheet
Curated OER

Intermediate Matching -- Shapes

For Students 3rd - 5th
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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Worksheet
Curated OER

Recognize and Draw Shapes Word Problems

For Students Pre-K - 1st
It's time for a geometry warm up! Geometry scholars examine a figure to determine its name from a list of four choices. The figure, a trapezoid, is large enough for the whole class to see if you were to project this. An explanation at...
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Lesson Plan
Curated OER

Froot Loops to the Max- Pie 2

For Teachers 6th - 8th
In 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 their...
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PPT
Curated OER

Geometry

For Teachers 1st - 2nd
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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Lesson Plan
Curated OER

Investigating the properties of a circle

For Teachers 7th - 10th
Students use wax paper to look at different properties of circles such as chords, tangent lines, inscribed angles, and inscribed angles in a semi-circle, as well as finding the center of the circle, and use GSP to investigate cyclic...
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Lesson Plan
Curated OER

Theorems and Formulas for Circles

For Teachers 10th
In this theorems and formulas for circles worksheet, 10th graders solve and complete 13 different types of problems. First, they create a graphic organizer for all the given formulas for circles. Then, students use the labeled pictures...
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Worksheet
Curated OER

Circles and Triangles: Sun

For Students K - 1st
In this coloring shape worksheet, learners trace the circles and color them yellow. Students trace the triangles and color them orange. Learners then trace the circle and triangle at the bottom of the page.
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Worksheet
Curated OER

Circles and Ovals: Flower

For Students K - 1st
In this coloring shapes worksheet, learners trace the circles and color them yellow. Students trace the ovals and color them pink. Learners then trace the ovals and circles at the bottom of the page.
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Worksheet
Curated OER

Shapes and Colors: Circles and Ovals

For Students Pre-K - 1st
In this shape learning exercise, students trace circles, coloring them yellow, then trace ovals and color them blue. Students also color a picture of a flower made of ovals and circles.

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