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Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
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Worksheet
Curated OER

Surface Area

For Students 10th
In this geometry instructional activity, 10th graders define surface area, net and lateral face. They calculate the surface areas of cones, prisms and cubes. There are 9 surface area questions.
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Lesson Plan
Pennsylvania Department of Education

Length and Perimeter

For Teachers 3rd
Third graders explore tessellations and the spatial concepts used in creating them.  In this tessellations lesson plan, 3rd graders rotate, reflect and transform shapes to create tessellations.  Students become familiar with the...
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Lesson Plan
Curated OER

Quadratic Equations and Parabolas

For Teachers 9th - 11th
Students graph and solve quadratic equations. In this functions lesson, students analyze a quadratic equation using three points on a curve to define the graph of a quadratic function. They find the vertex and intercepts of the graph.
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Worksheet
Curated OER

Naming Angles

For Students 10th
In this naming angles worksheet, 10th graders solve 12 different problems by responding to each statement defining the angles shown in each box. They name a linear pair in 3 of the problems and name a pair of supplementary angles in 4...
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Lesson Plan
Curated OER

Modeling Atoms

For Teachers 9th - 12th
Students create an atomic model using a computer program. In this technology lesson, students identify the difference between radius and diameter. They create circular patterns and spheres based on certain specifications.
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Lesson Plan
Curated OER

King Henry Did What?

For Teachers 4th - 6th
Students convert between the different metric units after reading the Fairy Tale of King Henry. They measure various candies in a baggy using the width of their index finger. They record results to the nearest index finger width on a...
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Lesson Plan
Curated OER

Approximation of Pi

For Teachers 9th - 12th
Learners explore the concept of Pi.  In this Pi lesson, students measure the circumference and diameter of a circle.  Learners record the diameter and circumference measurements from their classmates.  Students enter the data into lists...
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Lesson Plan
Curated OER

Constructing Perpendicular Bisectors

For Teachers 10th
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. In this geometry lesson plan, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors. They relate...
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Lesson Plan
Curated OER

The Tale of Scale

For Teachers 8th
Eighth graders, using a range of data, produce three bar graphs for various scales along the y-axis.
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Lesson Plan
Curated OER

The Surface Area of a Cylinder

For Teachers 8th - 10th
Students find the circumference and diameter of several circles and calculate the surface area of cylinders. In this surface area of a cylinder lesson plan, students use rectangles and lids to make several cylinders. They calculate the...
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Lesson Plan
Curated OER

Mr. Lincoln's Hat

For Teachers K - 5th
Bring out the inner artist with this Abraham Lincoln lesson. Elementary students work on a home project creating a hat similar to Abraham Lincoln's hat. They will use geometry and measurement to create the scale of the hat, then...
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Lesson Plan
Curated OER

Special Angles on Parallel Lines

For Teachers 10th
Tenth graders investigate parallel lines and their special angles cut by a transversal. In this geometry instructional activity, 10th graders identify and find corresponding, alternate interior, and alternate exterior angles formed when...
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Lesson Plan
Curated OER

Tessellating Ceiling Tiles

For Teachers 5th - 7th
Students transform polygons.  In this tessellating lesson, students design a picture containing a translation and a rotation.  They create a template of a translation or a rotation.  Students tessellate and decorate a ceiling tile.
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Worksheet
Curated OER

Inequalities and Measures of Central Tendency

For Students 9th - 11th
In this inequality and measures of central tendency worksheet, students solve and graph linear inequalities. They organize given data to identify the mean, mode and range. Students interpret box-and-whisker plots. This three-page...
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Lesson Plan
Curated OER

Exploring Characteristics Needed to Prove Two Trianlges Congruent

For Teachers 10th
Tenth graders explore congruent triangles.  In this geometry lesson, 10th graders investigate the conditions necessary to prove two triangles congruent.  The lesson combines dry erase board activities and the use of technology.
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Worksheet
Curated OER

Precalculus Exam

For Students 11th - 12th
For this precalc lesson, students write out definitions, identify functions, solve integrals and derivatives and graph trig functions as they relate to angles. This is a final exam for precalculus. There are 80 questions on this exam.
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Lesson Plan
Curated OER

Tessellmaniacs

For Teachers 7th
Seventh graders create 3 original tessellation using polygons. They slide, turn, rotate and glide their designs on the computer. They print their tessellation on a T-shirt and teach the 6th graders about tessellations.
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Lesson Plan
Curated OER

The Area of a Circle

For Teachers 8th
Eighth graders find the circumference and diameter of several lids, show the relationship of the two measurements and derive the formula for finding the area of a circle. In this area of a circle lesson plan, 8th graders find...
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Lesson Plan
Curated OER

Oscillations

For Teachers 9th - Higher Ed
Students construct and compare the actions of various pendulums. In this pendulum motion lesson, students build and test different types of pendulums. They conduct experiments with the length of the swing arm and apply mathematical...
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Lesson Plan
Curated OER

Mathematics of Doodles

For Teachers 9th - 11th
Students use the slope and y-intercept to graph lines. In this algebra instructional activity, students graph linear equations and apply it to solving real life problems.
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Lesson Plan
Curated OER

Usage and Interpretation of Graphs

For Teachers 3rd - 6th
Learners review graphing and use processing skills to solve problems.
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Lesson Plan
Curated OER

Charting Weight

For Teachers 6th
Sixth graders record the weight of themselves and 3 family over a week, and then use that data to compile 2 bar graphs and 4 line graphs and answer a series of questions.
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Lesson Plan
Curated OER

Lagoon Lake

For Teachers 1st - 3rd
Learners develop skill in using co-ordinates. Up to eight cardinal points of the compass are used making this a useful activity in simple map and grid work. They utilize educational software to gain practice.