Sophia Learning
Sophia: Measuring a Line Segment: Lesson 1
This video lesson [3:59] will walk you through using a ruler to measure the distance between endpoints. It is 1 of 10 in the series titled "Measuring a Line Segment." Students can answer review questions to assess their understanding of...
ClassFlow
Class Flow: Slope Intercept Form
[Free Registration/Login Required] This flipchart should be used to help the students understand the concept of slope-intercept form and expand their knowledge of graphing linear equations.
Free Math Help
Free Math Help: How to Find the Limit
The resource explores basic terms used in geometry. The tutorial defines a point, line, and plane. Examples are included.
Other
Bob's Byway: Glossary of Poetic Terms
Calling itself "unique," Bob's is easy to use, with cross-links throughout, phonetic pronunciation guides when necessary, and many examples and quotations. Click on the letter and scroll for the word.
ClassFlow
Class Flow: Understanding Slope
[Free Registration/Login Required] In this lesson students identify, interpret, and use the meaning of slope of a line as a rate of change using physical, symbolic, and technological models.
ClassFlow
Class Flow: Writing Linear Equations
[Free Registration/Login Required] Students will be able to write an equation of a line given a point and a slope. Students write the equation of a line given appropriate information such as slope, x-intercept, y-intercept, two points,...
ClassFlow
Class Flow: Basic Geometry Vocabulary
[Free Registration/Login Required] This flipchart is an introduction to geometry vocabulary and elementary geometric figures. Activities ask students to match vocabulary and definitions and label figures. Assessment questions follow.
ClassFlow
Class Flow: Circles Geometry
[Free Registration/Login Required] Students identify segments and lines related to circles and the properties of a tangent to a circle.
ClassFlow
Class Flow: Classifying Lines
[Free Registration/Login Required] This flipchart introduces students to the different types of lines and how to classify them.
ClassFlow
Class Flow: Discovering Lines
[Free Registration/Login Required] This flipchart defines Parallel, Intersecting, and Perpendicular lines. It also provides opportunities to practice working with Parallel, Intersecting and Perpendicular Lines!
ClassFlow
Class Flow: Geometry Line Vote
[Free Registration/Login Required] In this lesson the teacher will use geometry and spatial sense to distinguish between point, ray, line, line segment and angle. The students will review vocabulary for these terms and then...
ClassFlow
Class Flow: Line, Ray, Line Segment
[Free Registration/Login Required] This flipchart describes the differences between a line, ray, and line segment.
ClassFlow
Class Flow: Linear Models
[Free Registration/Login Required] Students will learn the different forms of an equation of a line and will find the equations of a line in all three forms- point-slope form, slope-intercept form, and the general form (Ax+By=C).
ClassFlow
Class Flow: Lines, Rays, Line Segments
[Free Registration/Login Required] This lesson is an introduction to the basic geometric figures: lines, rays, and line segments. The definition and naming conventions for each figure are explained. An assessment section follows.
Sophia Learning
Sophia: Measuring a Line Segment: Lesson 2
This video lesson [2:15] will walk you through using a ruler to measure the distance between endpoints. It is 2 of 10 in the series titled "Measuring a Line Segment." Students can take a short review quiz when finished....
Sophia Learning
Sophia: Measuring a Line Segment: Lesson 3
This video lesson [1:04] will walk you through using a ruler to measure the distance between endpoints. It is 3 of 10 in the series titled "Measuring a Line Segment." Students can answer review questions when finished....
Sophia Learning
Sophia: Measuring a Line Segment: Lesson 5
This video lesson [1:15] will walk you through using a ruler to measure the distance between endpoints. It is 5 of 10 in the series titled "Measuring a Line Segment." CCSS.Math.Content.3.MD.B.4 Generate measurement data by measuring...
Purple Math
Purplemath: Using Slope and Y Intercept to Graph Lines
Demonstrates, step-by-step and with illustrations, how to use slope and the y-intercept to graph straight lines.
University of St. Andrews (UK)
University of St. Andrews: Johann Jakob Balmer
Describes the life and scientific contributions of Johann Jakob Balmer. Discussion focuses on Balmer's contributions to the line spectra of hydrogen.
Ducksters
Ducksters: Kids Math: Picture Graphs
Math picture graphs for kids. Pie, line, and bar charts. Learn with problems, examples.
Integrated Publishing
Plane Figures
This site describes lines and angles "as found in various plane (flat) geometric figures.".
Math Open Reference
Math Open Reference: Secant
Learn about secants with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.