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Lesson Plan
Curated OER

Heating the Earth

For Teachers 6th - 8th
Students explore how the angle of sunlight affects the Earth's temperature and seasons and then apply this understanding to their local situation.
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Lesson Plan
Curated OER

Surveying

For Teachers 8th - 12th
Students calculate angles and areas for a surveying project. They gather information and diagram a project. They identify and define surveying principles and terminology.
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Lesson Plan
Curated OER

Hands-On Geometry

For Teachers 10th
Tenth graders construct a variety of geometric shapes and designs using a Mira, Clinometer and Geometry Flash Cards. They complete a worksheet.
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Lesson Plan
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Flips, Slides, and Turns

For Teachers 5th
Fifth graders manipulate and draw shapes to demonstrate the concept of flips, slides, and turns using letters and arrows on graph paper.
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Lesson Plan
Curated OER

Lesson Exchange: Polygons (Middle, Mathematics)

For Teachers 6th - 7th
Students discover the relationship between the sides of a polygon and the number of diagonals that can be drawn from one vertex, the number of triangles that those diagonals form, and the sum of the interior angles of that polygon.
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Lesson Plan
Curated OER

Making Rectangles

For Teachers Pre-K - 3rd
Students study rectangles. For this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
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Worksheet
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Geometry Worksheet

For Students 10th
In this geometry worksheet, 10th graders solve for the missing angles using the angles theorems. There are 3 questions asking about angle bisectors and missing angles.
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Lesson Plan
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Constructing Geometric Shapes

For Teachers 7th - 8th
For this construction geometric shapes worksheet, student use the software program for instruction then construction shapes and bisect angles for four questions.
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Worksheet
Curated OER

Calculate Missing Angles and Line Lengths

For Students 5th - 6th
In this missing line length and missing angles worksheet, students find measures of missing angles and find missing lengths. A reference web site is given for additional activities.
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Lesson Plan
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Angle Attributes and Measures

For Teachers 7th
Seventh graders explore the concept of angles. For this angles lesson, 7th graders use protractors to measure angles. Students sing an angle song. Students discuss attributes of angles using a two-color plate manipulative.
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Worksheet
Curated OER

Classifying Angles: Greater Than, Less Than, or Equal to 90 Degrees?

For Students 2nd - 4th
In this angles worksheet, students analyze four angles. For each angle, students decide if it is greater, less than, or equal to a right angle. Students check the correct box.
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Lesson Plan
Curated OER

Sports and Geometry

For Teachers 6th - 12th
Students investigate shapes in sports. In this geometry lesson plan, students identify geometric shapes in sports equipment, fields, etc. Students present their findings.
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Worksheet
Curated OER

Angles

For Students 6th - 7th
In these angles worksheets, students complete several activities for angles. Students complete 34 problems about angle measurement.
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Worksheet
Curated OER

Right Angles

For Students 3rd - 4th
In this right angles instructional activity, students review various images of right angles. Students then find the angles and right angles for the given shapes and write them on the lines.
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Lesson Plan
Curated OER

Identifying Figures

For Teachers 6th - 10th
For this identifying figures worksheet, students match 10 figures to the correct vocabulary terms that include lines, angles, shapes, and segments.
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Worksheet
Curated OER

Triangle Challenge

For Students 7th - 8th
In this triangles worksheet, students identify and name 3 different types of triangles. First, they determine the number of right triangles in the figure shown on the sheet. Then, students determine the number of equilateral triangles...
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Worksheet
Curated OER

Parallel, Intersecting, and Perpendicular Lines

For Students 10th
For this geometry lines worksheet, 10th graders solve 9 different problems related to various types of lines found in geometry. They classify each pair of lines shown as either parallel, intersecting, or perpendicular lines.
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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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Worksheet
Curated OER

Naming Angles 2

For Students 10th
In this naming angles worksheet, 10th graders complete 12 problems that identify and name various types of angles in figures. They name a pair of vertical angles and a linear pair in 8 of the problems. Then, students name a pair of...
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Worksheet
Curated OER

Cube Count

For Students 6th - 8th
In this cube counting worksheet, students solve 5 word problems that refer to the illustration of a stack of cubes. First, they determine how many cubes would be needed to make four steps, then seven and eight steps. Students also...
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Lesson Plan
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Power Question 2

For Teachers 9th - 12th
In this math worksheet, high schoolers determine the locus of points, M, in plane ABC, such that KMAB=KMAC. They also draw the triangle ABC. Then determine the proof of the interior angles determining the identity of the equilateral...
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Worksheet
Curated OER

Angles

For Students 7th - 10th
In this angles worksheet, students determine if sixteen angles are acute, obtuse, straight or right. Students defend their decisions with their classmates.
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Worksheet
Curated OER

Angles Display

For Students 4th - 5th
In this math worksheet, students look for the display of the angles that could be put on a bulletin board. They focus on defining the different types.
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Worksheet
Curated OER

Angle Terms Word Search Puzzle

For Students 7th - 8th
In this geometry worksheet, students find thirteen terms associated with angles. The terms include parallel, right, congruent, and degrees.