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Lesson Plan
Curated OER

Exploring Harmonic Conjugates

For Teachers 9th - 10th
High schoolers investigate harmonic conjugates using Cabri Software or the Ti Calculator to analyze harmonics. They explore different angles measurements as they move their circles around and solve problems.
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Worksheet
Curated OER

Three Ways to Name an Angle

For Students 4th - 6th
Learners first name angles in three ways, then classify them as acute, obtuse or right angles. Good practice when introducing the concept of different types of angles.
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Worksheet
Curated OER

Parts of a Line

For Students 6th - 8th
In this parts of line worksheet, students solve and complete 12 various types of problems. First, they find the length of the indicated line segments. Then, students determine the lengths of the line segments listed.
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Worksheet
Curated OER

Hinode Sees Mysterious Solar Micro-Flares

For Students 9th - 10th
In this solar micro-flares worksheet, students read about the X-ray bright spots that the Hinode satellite's X-ray Telescope detected on the sun's surface. Students determine the scale of the image, the dimensions of the smallest bright...
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Worksheet
Curated OER

The Hand of Chandra!

For Students 9th - 12th
In this nebula worksheet, learners read about the Chandra X-ray Observatory that captured the given image of a pulsar and its nebula. Students solve 3 problems including using similar triangles and proportions to find the image width,...
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Worksheet
Curated OER

Cosmic Bar Graphs

For Students 8th - 10th
In this cosmic bar graph worksheet, students solve 2 problems using given bar graphs that plot the number of galaxies vs. the galaxy type and the number of gamma-ray bursts vs. the burst classification. Students find the fraction of...
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Worksheet
Curated OER

Calculating Total Radiation Dosages at Mars

For Students 9th - 12th
In this Mars radiation worksheet, students use data from the Mars Radiation Environment Experiment to solve 4 problems. They determine the total radiation dosage during a specific period of time, they determine the dosage during the...
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Worksheet
Curated OER

Time Intervals

For Students 9th - 12th
For this time intervals worksheet, students solve 8 problems where they determine the time gamma-ray bursts last, the time black hole micro-flares are emitted, the time coronal mass ejections travel and the days between lunar phases of...
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Worksheet
Curated OER

Chandra Studies and Expanding Supernova Shell

For Students 7th - 9th
In this supernova instructional activity, students read about the expanding supernova shell that was discovered by the Chandra X-ray Observatory. Students solve two problems including finding the scale of the given images and determining...
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Lesson Plan
Hawaiʻi State Department of Education

Dimension Dances

For Teachers 4th
Use dance to help learners conceptualize line segments, rays, lines, and planes. They choreograph dances that show dimensional space. Dancers start by pondering space, point, and lines as the teacher draws them in the air. Each movement...
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Lesson Plan
Curated OER

Basic Geometry ... A Pathway to Angles

For Teachers 9th
Help 9th graders identify lines, points, rays, and planes in geometry. They  practice identifying, measuring, and drawing angles of different degrees. This is a fundamental lesson to help students learn the building blocks of geometry.
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Lesson Plan
Curated OER

REFLECTIONS OF SCIENCE

For Teachers 8th - 12th
Students discover the different types of mirrors, their properties and some of their applications. They have already been introduced to some of the properties of light and have already experienced some of the different types of mirrors...
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Lesson Plan
Curated OER

Geometry in the Real World

For Teachers 8th
Eighth graders complete a unit of lessons on basic geometry concepts. They participate in a variety of activities, culminating in a project that involves publishing a booklet or a poster that presents the major geometry concepts from the...
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Lesson Plan
Curated OER

Measuring Angles & Segments

For Teachers 10th - 12th
Learners view a PowerPoint for a warm-up activity. They practice measuring around the classroom, measuring such things as the length and width of a desk, pencil, door, and book. Students use a website to practice measuring angles.
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Worksheet
Curated OER

Points, Lines and Planes

For Students 10th
In this points, lines and planes worksheet, 10th graders solve and complete 9 various types of problems. First, they name the planes that intersect a figure shown. Then, students determine the points that are collinear and coplanar in...
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Lesson Plan
Curated OER

Mr. Bo Jangle, What's Your Angle?

For Teachers 3rd
Third graders explore angles. In this geometry lesson, 3rd graders identify and define acute, obtuse, and right angles. Students form angles with their bodies, find angles in picture books, and record angles found outside in their math...
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Lesson Plan
Willow Tree

Angle Measurement

For Students 8th - 11th Standards
What do you create when you rotate a ray? An angle! Teach all the angle basics including naming, measuring, supplements, and complements. 
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Lesson Plan
EngageNY

Tangent Segments

For Teachers 9th - 12th Standards
What's so special about tangents? Learners first explore how if a circle is tangent to both rays of an angle, then its center is on the angle bisector. They then complete a set of exercises designed to explore further properties and...
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Lesson Plan
Curated OER

Number Search in Monterey Bay Aquarium

For Teachers K - 2nd
Youngsters search for an animal with body parts for each number from one to ten during a field trip to an aquarium. They count rays, fins, feet, gills, eyes, spots or anything. When they get back to the classroom, they compile their...
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Lesson Plan
EngageNY

The Inscribed Angle Alternate – A Tangent Angle

For Teachers 9th - 12th Standards
You know the Inscribed Angle Theorem and you know about tangent lines; now let's consider them together! Learners first explore angle measures when one of the rays of the angle is a tangent to a circle. They then apply their newfound...
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Lesson Plan
Curated OER

Basic Geometry Ideas and Angle Measurement

For Teachers 7th
Seventh graders explore the concept of basic geometry. In this basic geometry lesson plan, 7th graders identify the correct picture for a given vocabulary word such as midpoint, line, ray, or parallel lines. Students discuss examples...
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Lesson Plan
Curated OER

Make Your Own "Weather" Map

For Teachers 9th - 12th
Students create their own "weather" map using data from x-ray sources. They analyze and discuss why it is important to organize data in a fashion in which is easy to read. They compare and contrast different x-ray sources using a stellar...
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Lesson Plan
Curated OER

Catching Rays

For Teachers 6th - 8th
Students investigate solar collectors. In this energy lesson, students create and demonstrate solar collectors. They will use measurement, data collecting, and analyze their findings to determine the best orientations for their solar...
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Lesson Plan
Curated OER

Background Radiation and Lifestyles

For Teachers 9th - 12th
In this radiation and lifestyles worksheet, students are given 5 problems about a person which indicate her exposure to radiation. Students calculate her total dosage to radiation in each problem based on her exposure.

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