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Worksheet
Curated OER

Topic 2.4 - Writing Linear Equations

For Students 7th - 9th
In this linear equation worksheet, students solve 18 problems regarding slope-intercept, linear equations, parallel lines and perpendicular lines.
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Lesson Plan
Curated OER

Toothpick Art

For Teachers K - 2nd
Students review primary colors and practice making straight lines. In this visual arts lesson, students paint simple shapes as large as a toothpick, using specific primary colors. During the construction of the shapes students are...
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Worksheet
Curated OER

Linear Equations

For Students 11th
In this Algebra II worksheet, 11th graders write the equation of a line given a table, the slope and a point, or two points.  The three page worksheet contains eleven problems.  Answers are not provided. 
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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, 7th graders identify the correct picture for a given vocabulary word such as midpoint, line, ray, or parallel lines. Students discuss examples of...
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Worksheet
Curated OER

Slope

For Students 7th - 8th
In this slope activity, students solve and complete 3 different types of problems. First, they find the slopes of the lines passing through each sets of coordinate pairs. Then, students find the parameter so that the line passing through...
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Lesson Plan
Curated OER

Let the Light Shine Through!

For Teachers 6th - 7th
Students display knowledge of line of symmetry by designing a geometric stained glass window pattern.
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Lesson Plan
Illustrative Mathematics

Area of a Trapezoid

For Teachers 7th - 9th Standards
Here is a straightforward example of how to apply the Pythagorean Theorem to find an unknown side-length of a trapezoid. Commentary gives additional information on proving that the inside of the trapezoid is a rectangle, but is...
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Lesson Plan
Curated OER

Math: A Geometric Neighborhood

For Teachers 6th - 8th
Young scholars, as a final project, draw a picture of their ideal neighborhood on a sunny day. In addition to the sun, their drawings include homes, trees, streets, and selected objects. Each object in their drawing has a written...
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Worksheet
Curated OER

Geometric Planes

For Students 10th
In this geometry activity, 10th graders determine that if two planes are perpendicular to the same line, then they are parallel.  The one page activity contains one problem with the solution. 
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Lesson Plan
Curated OER

Graphing Inequalities

For Teachers 7th - 12th
Students graph linear equations and then find the person in class whose linear equation graph is perpendicular to theirs. In this graphing inequalities lesson plan, students graph their perpendicular slopes and then once their find their...
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Worksheet
Curated OER

Challenge: Skills and Applications Lesson 3.4

For Students 9th - 10th
In this geometry worksheet, students identify the missing angles formed by parallel lines and a transversal. They differentiate between parallel and perpendicular lines. There are four questions.
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Lesson Plan
Curated OER

As the Bird Flies

For Teachers 7th - 8th
Students investigate the properties of lines and congruent triangle theorems as well as apply geometric properties and relationships to real-world mathematical problems. Given two different scenarios, they examine maps that have been...
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Lesson Plan
Curated OER

Integration: Geometry, Parallel and Perpendicular Lines

For Teachers 8th - 9th
In this math worksheet, young scholars write linear equations in slope-intercept form that passes through the given point. On the last 8 equations, students write the equation of the perpendicular line.
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Lesson Plan
Curated OER

Equations of Lines

For Teachers 10th - 11th
Students define slope, and practice finding the slope of lines through given points. They determine the angle of inclination. Students find the relationship between the slope and the tangent of the lines. Students determine special...
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Worksheet
Curated OER

Practice Problems

For Students 5th - 10th
Students will determine the relationship between two line segments in a given three-dimensional figure. Figures are either rectangular or triangular prisms.
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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
Curated OER

Angling Your Way Through a Picture

For Teachers 5th - 7th
Students look at the geometry in an artwork. In this art history/geometry lesson, students research the artist Charles Sheeler and look at his painting Stacks in Celebration. They find the different types of lines, angles, and planes and...
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Handout
El Paso Community College

Geometry Definitions

For Students 7th - 9th Standards
Geometry is full of shapes, figures, and corresponding things here and there. The guide shares all of the key pieces of geometric information in a nicely color-coded and labeled sheet. 
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Lesson Plan
Curated OER

Applications of Properties of Quadrilaterals in the Coordinate Plane

For Teachers 9th - 12th
Students explore the concept of quadrilaterals. In this quadrilaterals instructional activity, students use the slope formula, midpoint formula, and distance formula to justify that a given quadrilateral is a parallelogram.
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Worksheet
Curated OER

The Quadrilateral Family

For Students 10th
For this quadrilaterals worksheet, 10th graders solve and complete 10 different problems that include identifying various quadrilaterals. First, they indicate whether the statements are true or false for each. Then, students determine...
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Worksheet
Curated OER

Motions In Geometry

For Students 8th - 10th
In this motions in geometry worksheet, students draw translations, rotations, and reflections. This three-page worksheet contains examples, instructions, and 6 problems. The last page contains answers.
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Lesson Plan
Curated OER

Geoboard Ideas

For Teachers 3rd - 4th
Students build polygons on their geoboards. In this geometry lesson plan, students build and then draw it on paper and label it. Students then switch with a partner to try an make a symmetrical shape.
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Lesson Plan
Curated OER

Bisector Construction

For Teachers 10th
In this geometry worksheet, 10th graders construct parallel and perpendicular lines using a compass and a straight edge. There are 4 construction questions with an answer key.
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Worksheet
Curated OER

Chords of Circle

For Students 10th
In this geometry worksheet, 10th graders solve problems using parallel chords, perpendicular bisectors and chords that are equal distance from the center.

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