We found 2,434 reviewed resources for geometry lines
Lines of Symmetry, Shapes and SymbolsLesson Planet
3rd - 5th CCSS: Designed
Which shapes are symmetrical? Third graders decide which shapes have lines of symmetry, and which shapes are not symmetrical. They work on 13 shapes and symbols, four of which have lines already drawn through them. Use this resource to...
Points, Lines, Segments, and Rays Lesson 15-1Lesson Planet
4th - 5th CCSS: Adaptable
Some of the most important vocabulary in the study of geometry is presented here. In this PowerPoint, learners view the definitions for points, lines, segments, and rays. The definitions and graphics are clear, and kids are also coached...
Perpendicular Lines: LessonLesson Planet
2 mins 9th - 11th CCSS: Adaptable
Perpendicular lines are all right. Using the definition of perpendicular, the video lesson introduces perpendicular lines.The portion a basic geometry playlist makes connections between the rules of parallel lines and perpendicular lines.
Parallel and Skew Lines: LessonLesson Planet
6 mins 7th - 11th CCSS: Adaptable
Is it possible for a pair to be parallel and skew? The resource provides the class opportunities to find out by examining the properties of parallel and skew lines. Part of a playlist on basic geometry, the video includes a brief...
Perpendicular Lines in the Coordinate Planes: LessonLesson Planet
2 mins 7th - 10th CCSS: Adaptable
Get the slope right with two easy steps. By placing two perpendicular lines on the coordinate plane, the video determines the relationship of the slopes of the two line lines. The resource is a part of an informative and extensive...
Parallel Lines in the Coordinate Plane: LessonLesson Planet
4 mins 8th - 10th CCSS: Adaptable
Discover the parallel structure of parallel lines. Provided with two parallel lines on a coordinate plane, the presenter shows that the rise and run, or slope, of the two lines are the same. The resource, which is a portion of a larger...
Parallel Lines and Transversals: LessonLesson Planet
3 mins 7th - 11th CCSS: Adaptable
Segment transversals proportionally. Given a diagram with three parallel lines and two transversals, the narrator of a short video points out the parallel lines cut the transversals proportionally. The portion of a long playlist on...
Module 7: Connecting Algebra and GeometryLesson Planet
8th - 10th CCSS: Designed
The coordinate plane links key geometry and algebra concepts in this approachable but rigorous unit. The class starts by developing the distance formula from the Pythagorean Theorem, then moves to applications of slope. Activities...
Tangent Lines and the Tangent FunctionEngageNY
11th - 12th CCSS: Designed
Construct tangent lines and make the connection to tangent functions. An informative lesson reviews the geometry origins of the tangent function. Pupils use that information to determine how to construct a tangent to a circle from a...
Writing Equations for Perpendicular LinesLesson Planet
9th - 12th CCSS: Designed
Make the right connections between the equations of perpendicular lines. Pupils find the equation of a line perpendicular to another line in the context of finding the equation of a side of a geometric figure. Learners write their...
Investigating Properties of Lines in the PlaneLesson Planet
8th - 9th
Practice the properties of lines in the coordinate plane. Young mathematicians use Cabri on their graphing calculator to determine the slope ratios. They use the change in y-coordinates/change in x-coordinates. Additionally, they find...
Study Jams! Types of LinesLesson Planet
1 min 4th - 9th CCSS: Adaptable
Get jamming with lines and sing along to this karaoke that reviews the main types of lines. Your learners can't forget the main properties of lines when they sing the chorus on the karaoke song after the included slide show. The slides...
How Do You Find a Value for x that Makes Two Lines Parallel?Lesson Planet
3 mins 6th - 12th
So you have a transversal line intersecting two parallel lines and you are looking for a value that would make two corresponding angles congruent. You have all the information needed to write an equation to find the value. So write that...
How Do You Find the Slope of a Line If You Have a Perpendicular Line?Lesson Planet
4 mins 8th - 11th
What kind of lines have slopes that are the opposite reciprocal of each other? Parallel lines? No. Parabolas? No. Perpendicular lines? Yes! Watch and listen as the instructor demonstrates how to make these determinations about...
Parallel and Skew LinesLesson Planet
2 mins 9th - 12th CCSS: Adaptable
Parallel lines are often incorrectly defined as lines that do not intersect. The instructor in a concept video explains the difference between parallel and skew lines. He also refers to the correct notation and symbols during the lesson.
Connecting Algebra and Geometry Through CoordinatesLesson Planet
9th - 10th CCSS: Designed
This unit on connecting algebra and geometry covers a number of topics including worksheets on the distance formula, finding the perimeter and area of polynomials, the slope formula, parallel and perpendicular lines, parallelograms,...
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