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Lesson Plan
Curated OER

Sled Kite Proportions

For Teachers 6th - 8th
Students build sled kites. in this kite building lesson, students must read directions for kite building and enlarge the proportions of the given kite pattern. Students focus on the angles and line of symmetry in their kite. 
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Worksheet
Curated OER

Polygons

For Students 6th - 10th
In this polygons worksheet, students read about and complete many activities involving triangles, angles, and symmetry. Students complete 17 pages of activities.
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Lesson Plan
Curated OER

What is my Angle? App

For Teachers 6th - 12th Standards
Learners estimate angle measures in this this estimating angle measures lesson. They use an application on their graphing calculator that shows various settings involving angles and then they estimate the angle measure of a clock's...
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Lesson Plan
Curated OER

Angling for Distance

For Teachers 9th - 12th Standards
Explore the concept of projectile distance through determining the angle that will provide the maximum distance of a launched projectile.  Students launch baseballs on a football field and video tape the path of the ball.
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Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
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Lesson Plan
Curated OER

Angles and Transversals

For Teachers 9th - 12th Standards
Pupils explore the concept of angles and transversals. They construct parallel and non-parallel lines cut by a transversal using Cabri Jr. Learners then determine which angles are congruent and the relationship of angles when two lines...
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Lesson Plan
Curated OER

Angle Explorations

For Teachers 3rd
Third graders observe angles in their classroom and create an angle finder to represent them.In this angles instructional activity, 3rd graders classify angles as acute, obtuse, right or straight. Students find the differences and...
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Lesson Plan
Curated OER

Mirror Symmetry/Mirror Images

For Teachers 5th - 6th
Students explore lines of symmetry in geometric shapes. In this geometry lesson, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
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Worksheet
Curated OER

Writing Vectors

For Students 9th - 11th
In this vector worksheet, students use a key to answer fifteen questions given a particular distance and degree. Given is a measurement of 1 km.
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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

Triangle Similarity

For Students 10th
In this triangle similarity worksheet, 10th graders solve and complete 12 different problems that include defining similar and 3 similar statements using only sides and angles. First, they determine if each pair of triangles shown are...
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Worksheet
Curated OER

Angles in Circles

For Students 10th
In this angles in circles instructional activity, 10th graders solve 10 different problems that include tangents and chords and intersecting chords. First, they find x when given 2 intersecting chords. Then, students determine x given...
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Worksheet
Math Mammoth

Classify The Triangles

For Students 6th - 8th
In this math activity, students measure all the angles in these triangles. They also calculate the sum of the angles and classify the triangles.
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Worksheet
Math Mammoth

Construct Line Segments and Angles

For Students 6th - 7th
In this math worksheet, learners are asked to used a compass and straight edge to construct copies of shapes, angles and line segments.
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Worksheet
Math Mammoth

Area of Rectangles

For Students 4th
In this geometry worksheet, 4th graders identify how many square units is the area of each of the shaded shapes. Then they find the areas of the rectangles when the sides are given. Students also draw the figure described for each.
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Worksheet
Curated OER

Angles

For Students 4th - 5th
In this math worksheet, students practice defining angles and work on some various problems that focus upon the fraction of a turn.
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Worksheet
Curated OER

Angles on a Compass

For Students 2nd - 3rd
Angles and directions collide on this worksheet. Students must carefully read The given traveling directions, then fill in the compass with the correct number of right angles. There are 2 pages and 18 compasses to fill.
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Worksheet
Curated OER

How Do We Measure Angles

For Students 4th - 5th
In these angles and geometry worksheets, students learn about different kinds of angles, angle measurement, and other geometry facts. Students complete 15 questions.
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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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Lesson Plan
Curated OER

Tomb Robbers

For Teachers 6th
Sixth graders identify benchmark angles as they are embedded into a circle grid. They observe the teacher using an angle ruler and complete a Star Spangled worksheet, play the game Tomb Robbers, and as a class discuss their game winning...
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Lesson Plan
Curated OER

Shapes Galore!

For Teachers 1st
First graders explore two-dimensional shapes. Individually, children follow directions to draw shapes. Learners use shaving cream, geoboards, yarn, marshmallows, and toothpicks to create shapes. As a class, 1st graders brainstorm...
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Lesson Plan
Curated OER

Angles: Angles, Angles, Everywhere

For Teachers 6th - 8th
Learners practice estiminating and measuring angles. After watching a short video, they identify angles in objects in the classroom and their homes. In groups, they participate in activities in which they are given a scenerio and are...
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Lesson Plan
Curated OER

Nature's Polyhedrons

For Teachers 9th - 12th
Students discover the characteristics of polyhedra. Through hands-on activities and interactive videos, students investigate and retrieve information on polyhedra and crystal structures. Students study angles and symmetry. They...
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Lesson Plan
Curated OER

Geometric Angles

For Teachers 8th - 10th
Students explore angles and their use in Geometry. Students investigate three different kinds of angles: obtuse, acute, and right angles through an online activity. They identify pairs of angles with special relationships: vertical,...