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### We found 200 resources with the concept perpendicular lines

Videos (Over 2 Million Educational Videos Available)

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Language and Creativity

Other Resource Types
(200)

Lesson Planet: Curated OER

#### Krista King Math: Derivatives

Everything calculus scholars need to know about derivatives can be found in this 31-resource playlist. The collection defines the derivative and includes derivative rules, chain rule, derivatives of trig functions, derivatives of...

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#### Utah Middle School Math Project: 8th Grade

Prepare eighth graders for high school math and science classes with a collection of 10 lessons that help tweens make the transition from acquiring basic knowledge to applying it in more complex situations. These Common Core-aligned...

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#### Math Antics Geometry Video Lessons

The point of this collection of 12 videos is to introduce learners to three basic parts of geometryâ€”points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...

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#### Transformations â€“ Reflections

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 askedÂ to deduce the result of multiple reflections across...

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#### All About Lines

This resource should be called "All About Lines, and Then Some!". Packed full of all the key components of linear functions, learners review how to set up different equations, find intercepts, and graph. All the main topics are included...

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#### Algebra 1 Practice Final

What makes this resource special? The amazing answer key that comes with worked out solutions and notes for each problem. Practice problems includeÂ all topics ranging from linear systems to simplifying exponential expressions. The packet...

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#### Geometry Definitions

Geometry is full of shapes, figures, and corresponding things here and there. TheÂ guide shares all of the key pieces of geometric information in a nicely color-coded and labeled sheet.Â

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#### California State Standards: Algebra I

Starting a year of Algebra I? This mightyÂ packet practicesÂ all of the major topics with differentÂ ranges of difficulty. StandardsÂ include everything from linear to quadratic to rational expressions. Use itÂ in a variety of ways to...

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#### SAT Prep: Test 2 Section 6 Part 5

Addressing problems 15-16 on the practice SAT, Sal draws the diagram necessary for solving the geometry problem in number 15. After solving for the area of the triangle, he goes on to the quadratic equation in number 16, taking care to...

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#### The Geometry of Letters

Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...

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#### SAT Prep: Test 3 Section 4 Part 3

Continuing his lessons on the practice SAT, Sal takes students through problems 10-13, which involve absolute value, comparing angles in a geometric diagram, and finding the median number in a set of consecutive integers. Students will...

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#### Identifying Linear Functions from Graphs

Keep your mathematicians engaged using this group linear functions activity. Each of ten groups receives two graphs with both an image and equation, as well as a "who has" phrase to call out the next graph. Scholars stay on their toes as...

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#### Indirectly Direct

Students use prior knowledge of angle and lines as they conduct an experiment with a rolling marble to determine the shape of a mystery object located under a metal pie tin.

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#### SAT Prep: Test 3 Section 2 Part 4

Finding perimeters and slopes is the focus of this video, which details ways to solve problems 15-17 on the practice SAT. Even students who are confident in their ability to pass the SAT would benefit from this additional review.

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#### SAT Prep: Test 2 Section 3 Part 3

Covering geometry, linear equations, and mathematical patterns, Sal discusses problems 9-12 on the practice SAT. His easygoing manner and clever calculations will keep students' interest far longer than reviewing SAT questions from a...

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#### Slopes of Parallel and Perpendicular Lines

Apply slopes and not slipping. Learners discover the relationship between slopes of parallel and perpendicular lines. Individuals use that information to find equations of lines through a given point that is either parallel or...

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#### Ancient Aqueduct Analysis Project

Let the class' knowledge of geometry flow like water in an aqueduct. Future mathematicians research ancient Roman aqueducts and consider the geometric concepts necessary in their construction. They then use GeoGebra to create models of...

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#### Google Earth Trip

Travel the world instantlyâ€”and learn about math along the way. Using pictures of famous places taken from Google Earth, scholars look for parallel and perpendicular lines based on slope and angle measurements. They also calculate...

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#### Short Pappus

It's all Greek to me. Scholars work a task that Greeks first formulated for an ancient math challenge. Provided with an angle and a point inside the angle, scholars develop conjectures about what is true about the shortest line segment...

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#### Accessible Shapes

All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....

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#### Shortest Distance between Line and Point

A short video shows how to find the shortest distance between a line and a point on the coordinate plane. Using the fact the shortest distance is the perpendicular, the presenter shows the class how to find the intersection of the two...

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#### Parallel and Perpendicular Lines - Part 2

Parallel and perpendicular lines aren't that difficult to find. Learners watch an instructional video to see how to write equations of lines that are parallel or perpendicular to a given line and pass through a given point. Some of the...

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#### Parallel and Perpendicular Lines - Part 1

Ever ponder parallel and perpendicular lines? An engaging video first investigates how the slopes of lines indicate whether two lines are parallel or perpendicular. It goes on to show how to use the equations of two lines to tell whether...

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#### Equation of a Tangent to a Circle

Don't go off on a tangentâ€”let the video do the talking! A video lesson demonstrates how to write the equation of a line tangent to a circle given the point of tangency and the equation of the circle. The instructor explains both a...