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Worksheet
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\n\"Easy\n\n
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\nCurated OER\n
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\nEasy Worksheet: Equations of Lines\n

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\n\nFor Students\n\n9th - 12th\n
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\nThe class solves 4 short answer problems. They write the equation of a line parallel to a given line passing through a point. Graph paper may be needed.\n
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Interactive
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\n\"Identify\n\n
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\nCK-12 Foundation\n
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\nIdentify Line Types: Intersecting and Parallel Lines\n

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\n\nFor Students\n\n6th\n\nStandards\n
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\nNavigate your way through a lesson on types of lines. Individuals drag line segments to illustrate paths between pairs of houses on an interactive map. They determine if these line segment pairs are intersecting or \nparallel. \n
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Interactive
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\n\"Equivalent\n\n
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\nCK-12 Foundation\n
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\nEquivalent Fractions: Number Line\n

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\n\nFor Students\n\n3rd\n\nStandards\n
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\nArrange improper fractions on a number line to determine the equivalency to whole numbers. The number line starts at -4 and ends at 4, while users must turn the improper fraction into a proper fraction in order to place it on the number...\n
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Interactive
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\n\"Families\n\n
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\nCK-12 Foundation\n
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\nFamilies of Lines: Room in Perspective\n

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\n\nFor Students\n\n8th - 10th\n\nStandards\n
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\nGet a perspective of lines that share a point. The interactive displays a family of lines that share the same y-intercept. Individuals can find the equations of the lines by moving the line displayed and find what is common...\n
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Interactive
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\n\"Identify\n\n
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\nCK-12 Foundation\n
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\nIdentify Functions and the Vertical Line Test: The Vertical Line Test\n

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\n\nFor Students\n\n9th - 12th\n
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\nThere's no easier test than the vertical line test. Learners drag a vertical line across the graphs of several relations in an interactive. They answer a set of challenge questions that focus on whether the graphs represent functions.\n
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Interactive
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\n\"Vectors\n\n
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\nCK-12 Foundation\n
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\nVectors as Directed Line Segments: Directed Line Segment\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nDirect your class' attention to directed line segments. The interactive resource allows pupils to create segments with specific endpoints. Scholars plot the initial and terminal points to determine the direction and magnitude of the...\n
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Interactive
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\n\"Vertical\n\n
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\nCK-12 Foundation\n
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\nVertical Line Test: Exploration\n

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\n\nFor Students\n\n8th - 9th\n
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\nWhat do vertical lines have to do with functions? Individuals slide a vertical line through four different graphs. They use that vertical line test to determine if the graphs represent functions.\n
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Interactive
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\n\"Tangent\n\n
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\nCK-12 Foundation\n
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\nTangent Line Approximation: Estimating Square Roots\n

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\n\nFor Students\n\n11th - Higher Ed\n
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\nEstimating a square root is as easy as evaluating a linear equation. Using the derivative of the square root function, pupils calculate an estimation of square roots. Class members determine the equation of the tangent line at the value...\n
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Interactive
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\n\"Differences\n\n
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\nCK-12 Foundation\n
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\nDifferences of Integers Using a Number Line: Football Game\n

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\n\nFor Students\n\n6th\n\nStandards\n
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\nMake football a math sport! Move the football player (red dot) along the sideline (number line) to see how many yards (positive and negative integers) they've traveled to the other team's end zone.\n
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Interactive
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\n\"Broken-Line\n\n
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\nCK-12 Foundation\n
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\nBroken-Line Graphs: Heating Curve of Water\n

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\n\nFor Students\n\n7th - 10th\n\nStandards\n
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\nExamine the unique graphs coined broken-line graphs. Using the phase change of water for data, learners answer questions related to the temperature and energy at different times in the cycle of the phase change. Questions focus on the...\n
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Interactive
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\n\"Line\n\n
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\nCK-12 Foundation\n
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\nLine Graphs to Display Data Over Time: Strawberry Competition\n

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\n\nFor Students\n\n6th - 8th\n\nStandards\n
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\nTake the tediousness out of graphing. Using the interactive tool, learners can efficiently create a line graph from a set of data. They then use the graph to answer questions about specific trends in the data.\n
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Handout
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\n\"Lines\n\n
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\nMcGraw Hill\n
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\nLines and Angles\n

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\n\nFor Students\n\n4th - 7th\n\nStandards\n
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\nWhy was the obtuse angle upset? Because it was never right! A valuable resource is loaded with background information on types of angles and lines. Learners review the characteristics of parallel, perpendicular, and...\n
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\n\"Lines\n\n
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\nVirginia Department of Education \n
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\nLines and Angles\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nExplore angle relationships associated with transversals. Pupils construct parallel lines with a transversal and find the measures of the angles formed. They figure out how the different angles are related before constructing...\n
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Instructional Video3:58
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\n\"Distance\n\n
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\nCK-12 Foundation\n
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\nDistance Between Parallel Lines: Lesson\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nRely on slope when counting won't do. Using horizontal and vertical parallel lines, the presentation shows scholars how to find the distance by counting. The video uses the relationship of the slopes of perpendicular lines to find two...\n
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PPT
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\n\"Points,\n\n
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\nCurated OER\n
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\nPoints, Lines, Segments, and Rays Lesson 15-1\n

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\n\nFor Teachers\n\n4th - 5th\n\nStandards\n
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\nSome 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...\n
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Assessment
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\n\"Regents\n\n
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\nNew York State Education Department\n
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\nRegents High School Examination GEOMETRY 2009\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nThe University of New York Regents High School Exam for geometry from August 2009 is comprehensive in scope, with 38 questions over 22 pages. Geometers can assess their mastery of core content using a combination of multiple-choice and...\n
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Assessment
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\n\"Regents\n\n
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\nNew York State Education Department\n
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\nRegents High School Examination: Geometry 2009\n

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\n\nFor Teachers\n\n10th\n
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\nThe University of New York Regents High School Exam for geometry from June 2009 is comprehensive in scope, with 38 questions over 22 pages. A reference sheet with relevant formulas is included.\n
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Instructional Video1:59
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\n\"What\n\n
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\nCurated OER\n
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\nWhat are the Endpoints of a Line Segment?\n

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\n\nFor Teachers\n\n6th - 12th\n
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\nA simple video on how to identify the endpoints of a line segment. Have your class watch this video to clarify any confusions about endpoints. This could be used as extra help for learners who are having difficulty, or as a supplement to...\n
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Instructional Video3:46
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\n\"What\n\n
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\nCurated OER\n
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\nWhat are Skew Lines?\n

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\n\nFor Teachers\n\n6th - 10th\n
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\nSkew lines? What? By definition, skew lines are lines on different planes that never intersect. Watch this video and get an explanation along with a visual diagram.\n
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Lesson Plan
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\n\"Perpendicular\n\n
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\nCurated OER\n
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\nPerpendicular Lines\n

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\n\nFor Teachers\n\n3rd - 6th\n
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\nIn this perpendicular lines practice worksheet, students find and list examples of perpendicular lines at home, at school, and outside.\n
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Worksheet
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\n\"Trace\n\n
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\nCurated OER\n
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\nTrace a Line of Symmetry\n

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\n\nFor Students\n\n3rd - 4th\n
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\nIn this lines of symmetry worksheet, young math whizzes analyze pictures of eight common objects and draw a line of symmetry for each.\n
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Worksheet
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\n\"Parallel\n\n
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\nCurated OER\n
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\nParallel Lines\n

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\n\nFor Students\n\n7th - 8th\n
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\nBased on two sets of parallel lines intersected by a transversal, your young geometers determine the measures of 10 angles by applying the definitions of vertical, corresponding, alternate interior, and alternate exterior angles. When...\n
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Handout
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\n\"Geometry\n\n
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\nEl Paso Community College\n
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\nGeometry Definitions\n

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\n\nFor Students\n\n7th - 9th\n\nStandards\n
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\nGeometry 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. \n
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Lesson Plan
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\n\"Stitching\n\n
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\nNational Council of Teachers of Mathematics\n
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\nStitching Quilts into Coordinate Geometry\n

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\n\nFor Students\n\n8th - 11th\n\nStandards\n
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\nWho knew quilting would be so mathematical? Introduce linear equations and graphing while working with the lines of pre-designed quilts. Use the parts of the design to calculate the slope of the linear segments. The project...\n
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