Worksheet
Curated OER

Geometry Regents Bimodal

For Students 9th - 10th
In this geometry worksheet, students solve problems that are bimodal. They define properties of circles and triangles. There are 117 questions.
Worksheet
Curated OER

Sixth Grade Mathematics Test

For Students 6th
In this math activity, 6th graders complete multiple choice questions about number sentences, composite numbers, angles, and more. Students complete 30 questions.
Interactive
Curated OER

SAT Prep

For Students 11th - 12th
In this secondary mathematics learning exercise, students are provided with questions that are designed to provide SAT test preparation. The one page interactive learning exercise contains ten questions. Answers are not provided. 
Lesson Plan
Curated OER

2 X 2 Linear Systems

For Teachers 7th - 9th
Students solve 2 X 2 systems using graphing and algebraic methods.
Lesson Plan
Curated OER

Origami Frogs

For Teachers 9th
Ninth graders explore a variety of geometry and science concept while making an origami frog. The fold paper into the shape of a frog and conduct measurement activities including frog leaps.
Lesson Plan
Curated OER

Geometric Glossary

For Teachers 4th
Fourth graders use drawing and paint tools to identify, draw and state several geometric terms.
Lesson Plan
Curated OER

Parabola

For Teachers 8th - 9th
Students complete a worksheet and explore the parabola conic section during a web based activitiy. They answer questions based on their work as they make changes in the features of the parabola.
Lesson Plan
Curated OER

Similar or Not?

For Teachers 5th
Fifth graders define the meaning of similar and congruent using concrete objects. They make similar and congruent figures using geoboards. They draw their figures on dot paper, and color their designs.
Unit Plan
Texas Education Agency

Texas Gateway: Parallel and Intersecting Lines

For Students 3rd - 5th
This activity provides an opportunity for students to build an understanding of parallel and intersecting lines.
Activity
TeachEngineering

Teach Engineering: Parallel and Intersecting Lines: A Collision Course?

For Teachers 3rd - 5th
Students act as civil engineers developing safe railways as a way to strengthen their understanding of parallel and intersecting lines. Using pieces of yarn to visually represent line segments, students lay down "train tracks" on a...
Activity
Texas Instruments

Texas Instruments: Intersecting Lines and Planes

For Teachers 9th - 10th
In these problems, students are asked to find: point of intersection of two lines; coefficients that make two lines parallel; intersection of diagonals of a quadrilateral; and the point of intersection of three planes.
Website
PBS

Pbs Learning Media: Finding the Intersection

For Students 6th - 8th Standards
In this Cyberchase video, Inez and Digit identify the location of the transformatron using their knowledge of parallel and intersecting lines.
Unit Plan
Cuemath

Cuemath: Lines

For Students 3rd - 8th Standards
Learn all about lines. This lesson targets what is a line and the different types. Check-out the interactive simulations to know more about the lesson and try your hand at solving a few interesting practice questions at the end of the page.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel and Perpendicular Lines

For Students 8th Standards
[Free Registration/Login may be required to access all resource tools.] Identifying types of lines as parallel lines, perpendicular lines or intersecting lines.
Lesson Plan
University of Regina (Canada)

University of Regina: Math Central: Introduction to Slope for Middle Years Mathematics

For Teachers 6th - 8th
This collection of five middle school math lessons covers the topic of plane geometry, specifically the concept of slope. The first lesson introduces middle schoolers to plotting points on a Cartesian grid using a Geoboard. Lesson two...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Intersecting and Parallel Lines

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Identify intersecting and parallel lines.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Parallel and Perpendicular Lines

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Identify intersecting, parallel and perpendicular lines in a plane
Handout
CK-12 Foundation

Ck 12: Geometry: Lines and Angles Study Guide

For Students 9th - 10th Standards
This study guide on lines and angles covers key terminology; line notation; parallel, perpendicular, and skew lines; and postulates and theorems about lines. It is available for download with free registration.
Handout
Math Open Reference

Math Open Reference: Points and Lines

For Students 9th - 10th Standards
A complete reference guide to points, lines, and planes. It provides definitions and interactive activities that enhance further explanation.
Whiteboard
ClassFlow

Class Flow: Discovering Lines

For Teachers 3rd - 5th Standards
[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!
Lesson Plan
City University of New York

Lehman College: An Introduction to Lines

For Teachers 9th - 10th Standards
Use this site for two short lesson plans regarding Euclidean and Spherical lines. Intersecting and parallel lines are discussed. The lesson contains activities for two days of class.
Website
PBS

Pbs Learning Media: Two Points Determine a Line

For Students 6th - 8th Standards
In this video segment [2:10] from Cyberchase, Digit must make a straight line between the two points and then follow the path created.
Activity
Texas Instruments

Texas Instruments: Parallel Lines, Transversals and Angles

For Teachers 6th - 8th Standards
This activity allows students to: 1. Identify the pairs of angles formed when a transversal intersects two lines.: 2. Measure angles Using Cabri Jr. 3. Identify relationships between pairs of angles when a transversal intersects parallel...
Handout
Math Open Reference

Math Open Reference: Intersection of Two Straight Lines

For Students 9th - 10th
Learn about the intersection of two straight lines with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhance further explanation. Includes links to related topics.