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Lesson Exchange: Polygons (Middle, Mathematics)
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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Making Rectangles
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
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Geometry Worksheet
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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Constructing Geometric Shapes
In 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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Calculate Missing Angles and Line Lengths
For 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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Angle Attributes and Measures
Seventh graders explore the concept of angles. In 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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Classifying Angles: Greater Than, Less Than, or Equal to 90 Degrees?
In this angles worksheet, learners analyze four angles. For each angle, students decide if it is greater, less than, or equal to a right angle. Learners check the correct box.
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Sports and Geometry
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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Angles
In these angles worksheets, learners complete several activities for angles. Students complete 34 problems about angle measurement.
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Right Angles
In this right angles worksheet, 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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Identifying Figures
In this identifying figures worksheet, young scholars match 10 figures to the correct vocabulary terms that include lines, angles, shapes, and segments.
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Triangle Challenge
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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Parallel, Intersecting, and Perpendicular Lines
In this geometry lines instructional activity, 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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Naming Angles
In this naming angles learning exercise, 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...
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Naming Angles 2
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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Cube Count
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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Power Question 2
In this math worksheet, pupils 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 triangle.
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Angles
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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Angles Display
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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Angle Terms Word Search Puzzle
In this geometry worksheet, students find thirteen terms associated with angles. The terms include parallel, right, congruent, and degrees.
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Basic Geometric Constructions
Students observe and demonstrate a variety of basic geometric constructions using the Triman Safety Compass. Using the compass, they draw circles, bisect a line segment, construct an angle, bisect an angle, copy an angle, and create...
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What's Your Angle
Students create an original lesson about geometry and angles. In small groups they take pictures using a digital camera of obtuse, acute, right, and straight angles that they find at school. Students use the photos in a computer...
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Polygons and Angles
Sixth graders estimate the measurement of angles and then measure the exact distance using an angle ruler. In groups, they explore shapes and recognize the characteristics acute, obtuse and right angles. Students sketch required shapes,...
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Symmetry
Sixth graders explore symmetry and discuss the difference between a rotation and reflection. Using hands-on activities, such as folding paper shapes, they discover how to find the lines of symmetry and symmetrical characteristics. As a...