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Worksheet
Curated OER

Areas by Dissection

For Students 8th - 10th
In this areas by dissection worksheet, students find the area of given composite figures. This three-page worksheet contains examples, explanations, and 16 problems. Answers are provided on page three.
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Worksheet
Curated OER

Geometry Review

For Students 10th
In 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

Perimeter

For Students 10th
In this perimeter instructional activity, 10th graders solve and complete nineteen various geometry problems. First, they find the length of given segments in addition to the perimeter of a kite. Then, students find the value of a...
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Worksheet
Curated OER

Classifying Angles

For Students 10th
For this classifying angles worksheet, 10th graders solve and complete 35 various types of problems. First, they match each type of angle with its correct description. Then, students determine whether the given lines or planes are...
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Worksheet
Curated OER

Models of Planets

For Students 7th - 9th
In this planet models worksheet, students use the radius of a given planet and its mass to answer questions using a model of a planet with a given radius. They determine the volume of the planet's inner core, the volume of its outer...
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Worksheet
Curated OER

Hinode-Close Up of a Sunspot

For Students 8th - 10th
In this solar sunspot activity, students use two photographs from the Hinode solar observatory showing a sunspot on the solar surface. Students solve 5 problems including finding the scale of the images, determining the smallest detail...
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Worksheet
Curated OER

A Galaxy Up Close

For Students 8th - 10th
In this Sombrero Galaxy worksheet, learners observe infrared images taken by the Spitzer Infrared Telescope and the Hubble Space Telescope. They answer 9 questions about the details of the images such as the radius of the stellar...
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Worksheet
Curated OER

The Moon's Atmosphere

For Students 9th - 12th
For this moon's atmosphere worksheet, students read about the tenuous lunar atmosphere and solve 4 problems. They find the density of helium particles, they find the grams of given atoms in the moon's atmosphere and they find the volume...
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Worksheet
Curated OER

Polygons

For Students 11th - 12th
In this geometry worksheet, students use Kruskal's algorithm to analyze and solve shapes as it relates to cost. There are 4 questions with an answer key.
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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

Geometric Shapes and Angles

For Students 10th
In this geometry worksheet, 10th graders review polygons and solve for the missing angles of trapezoids and isosceles triangles. There are 10 questions on this worksheet with an answer key.
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Lesson Plan
Curated OER

How Diverse is That?

For Teachers 9th - 12th
Students discuss biological diversity in ocean communities. In this diversity lesson, students examine the variety of organisms compared to relative abundance. They will write an analysis and discuss their findings with the class.
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Lesson Plan
Curated OER

Circles and Angles

For Teachers 9th - 11th
Young scholars identify tangents, chords and secants. In this geometry activity, students graph circles and identify angles created by secant lines, tangent lines and chords.
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Lesson Plan
Curated OER

The Tipping Point

For Teachers 9th - 11th
Students rewrite word problems and solve using math. In this word problem lesson, students gather data and observe the data. They relate this process to the scientific method and math. They review their data to be able to answer...
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Lesson Plan
Texas Instruments

Points, Lines, and Planes

For Teachers 9th - 12th Standards
Students solve problems dealing with points, lines and planes. In this geometry lesson, students differentiate between parallel lines and planes. They find the intersection of lines and planes.
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Lesson Plan
Curated OER

Triangle Inequality Theorem

For Teachers 8th - 10th
Students use the inequality theorem to solve triangles and their properties. In this geometry lesson, students are given spaghetti of different lengths and asked to create triangles. They conclude the necessary length needed to make a...
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Worksheet
Curated OER

Geoboard Activity

For Students 10th
For this geometry worksheet, 10th graders use geoboards or the grid representation of a geoboard to construct the indicated geometric figure. The three page worksheet contains twenty-seven questions. Answers are not included.
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Lesson Plan
Curated OER

Triangle Exterior Angles Theorem

For Teachers 7th - 9th
Learners identify the measure of missing exterior angles. For this geometry lesson,students define and apply the exterior angle theorem to solve problems. They use Cabri software to create different angles and make investigations.
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Worksheet
Curated OER

Skills and Application

For Students 9th - 10th
In this geometry learning exercise, students identify the different properties of parallel lines cut by a transversal. They identify the different angles created by such lines. There are 16 questions.
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Worksheet
Curated OER

More on Tessellations

For Students 10th
In this tessellations activity, 10th graders solve 3 different word problems that include creating various tessellations. First, they group pentagons around a vertex so the angles add up to 360 and determine whether the pentagons can...
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Worksheet
Curated OER

Angles and Parallel Lines

For Students 9th - 10th
In this geometry worksheet, students identify the different angles formed by cut parallel lines. They name the angles and find the measures of each. There are 24 questions.
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Worksheet
Curated OER

Geometry

For Students 6th - 10th
In this geometry worksheet, students find the sum of angles, label angles, and more. Students complete 6 questions total on this worksheet.
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Worksheet
Curated OER

Parallel Lines and Transversals

For Students 10th
In this parallel lines and transversals instructional activity, 10th graders solve nine different problems related to measuring parallel lines and transversals. First, they name two more pairs of parallel segments, two more skew...
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Worksheet
Curated OER

Geometry Worksheet #13

For Students 10th
In this geometry worksheet #13 worksheet, 10th graders work in groups to solve 6 geometry problems, involving measurement of angles.

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