Unit Plan
Curated OER

Transformations in the Coordinate Plane

For Teachers 9th - 12th Standards
Your learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...
Worksheet
Curated OER

Find the Equation of a Line

For Students 10th
In this equation of a line worksheet, 10th graders solve ten problems that determine locating the equation of a line. They first determine whether the given lines are perpendicular or parallel. Then students find the equation of the line...
Worksheet
Curated OER

Draw the Line

For Students 9th
In this equations of a line worksheet, 9th graders solve 10 different problems related to solving for the equation of a line as stated. First, they draw the line that is described in each statement. Then, students determine the line that...
Worksheet
Curated OER

Slopes of Lines

For Students 10th
In this slopes of lines learning exercise, 10th graders solve 9 problems that include finding the slope of various lines. First, they find the slope of the line passing through the given points for the first 6 problems. Then, students...
Worksheet
Curated OER

Slopes of Lines

For Students 10th
In this slopes of lines learning exercise, 10th graders solve and graph 10 different problems. First, they determine the slope of each line named in the figure and any line parallel to line b and perpendicular to line d. Then, students...
Worksheet
Curated OER

Proving Lines Parallel

For Students 10th
In this proving lines parallel worksheet, 10th graders solve 10 different types of problems that prove that various lines are parallel to each other. First, they find the value of x so that line a is parallel to line b. Then, students...
Worksheet
Curated OER

Proving Lines Parallel 1

For Students 10th
In this proving lines parallel worksheet, 10th graders solve 8 different problems related to proving that lines are parallel in each figure. First, students find the value of x so that line l and line m are parallel. Then, students...
Worksheet
Curated OER

Parallel Lines

For Students 10th
In this parallel lines worksheet, 10th graders solve and complete 16 different types of problems. First, they name the lines that are parallel to those listed. Then, students find that values that make each set of line parallel. They...
Worksheet
Curated OER

Angles and Parallel Lines

For Students 10th
In this angles and parallel lines worksheet, 10th graders solve 15 different problems related to measuring angles and parallel lines in three different figures. First, they find the measure of each angle in the first figure, numbers...
Worksheet
Curated OER

Construct, Bisect, Duplicate: Geometry Practice with Compass and Straight Edge

For Students 9th - 12th
Geometers employ a straight edge and compass to duplicate and bisect segments and angles, construct perpendiculars, parallel lines, figures, and circles with points of concurrency. Ample practice with 65 questions across 8 worksheets. No...
Activity
Illustrative Mathematics

Find the Missing Angle

For Teachers 7th - 9th Standards
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
Lesson Plan
Curated OER

Slope of a Line

For Teachers 12th - Higher Ed
In this slope worksheet, students determine the slope of a line. They use the slope to determine if two lines are parallel or perpendicular. This two-page worksheet contains five equations.
Worksheet
Curated OER

Quiz 8: Equation of a Line

For Students Higher Ed
In this equation of a line worksheet, students find the equation of a line perpendicular to a graph and determine the surface area of a cube that is changing. This one-page worksheet contains three problems.
Worksheet
Curated OER

Angles and Parallel Lines

For Students 10th
In this angles and parallel lines worksheet, 10th graders solve 27 different variations of angle types and parallel lines. They name a linear pair, a pair of vertical angles, a pair of complementary angles, and a pair of supplementary...
Lesson Plan
Curated OER

Perpendicular Segments in a Circle

For Teachers 9th - 12th Standards
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
Lesson Plan
EngageNY

Segments That Meet at Right Angles

For Teachers 9th - 12th Standards
Can segments be considered perpendicular if they don't intersect? Learners look at nonintersecting segments on the coordinate plane and make conclusions about the lines that contain those segments. They determine if they are...
Printables
1
1
Houghton Mifflin Harcourt

Unit 5 Math Vocabulary Cards (Grade 6)

For Students 6th Standards
Acute angle, line of symmetry, and vertex are a few terms you'll find in a set of 90 flashcards designed to reinforce math vocabulary. Included in the set are two types of cards; a word card printed in bold font, and a...
Assessment
Curated OER

Expressing Geometric Properties with Equations

For Students 9th - 11th Standards
Algebra and geometry are not interchangeable. Demonstrate why not with a series of problems that deal with the equations of circles and equations of lines that meet specific criteria. 
Lesson Plan
Curated OER

Constructing Perpendicular Bisectors

For Teachers 10th
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. In this geometry lesson, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors. They relate...
Lesson Plan
Curated OER

Lines

For Teachers 9th - 11th
For this Algebra I/Algebra II worksheet, students determine the slope of a line, write the equation of a line, examine parallel and perpendicular lines, and solve problems involving linear relationships.  The two page worksheet...
Lesson Plan
Curated OER

Constructing Perpendiculars

For Teachers 9th - 10th
Students construct perpendicular lines. In this geometry lesson, students use a compass and straight edge to do construction. They start from a point to a line.
Lesson Plan
Curated OER

Review Geometry - Week 8: (Triangles)

For Teachers 10th - 12th
In this triangle worksheet, students determine the length of the sides of a triangle, perpendicular lines, and the area of triangles. This two-page worksheet contains eight problems.
Lesson Plan
Math by Design

Transformations – Reflections

For Teachers 7th - 8th Standards
Scholars use interactive resources to figure out how to mathematically draw a reflection of a geometric shape viewed in a mirror. To conclude the activity, class members are asked to deduce the result of multiple reflections across...
Worksheet
Curated OER

Perpendicular and Parallel Lines

For Students 9th - 11th
In this geometry worksheet, students identify lines that are parallel, perpendicular or skew to different polygons. There are 25 questions.