Interactive
CK-12 Foundation

Length of a Plane Curve

For Students 11th - Higher Ed
Challenge your class to use straight lines when estimating the length of a curve. An engaging interactive allows individuals to place line segments one after another along the arc. Learners determine that the more lines used, the better...
Assessment
Concord Consortium

Detective Stories

For Students 9th - 12th Standards
The truth will always come out. A short performance task has learners considering a witness statement given to a detective. They apply special line segments in triangles and Ceva's Theorem to prove that the witness is actually lying.
Instructional Video6:35
Corbett Maths

Perpendicular Bisector

For Students 8th - 11th Standards
Where should the statue be located? The resource explains how to use a compass and straight-edge to construct the perpendicular bisector of a line segment. Using an exam question, the narrator models how to solve an application problem...
Interactive
CK-12 Foundation

Midpoint Formula

For Students 8th - 10th
By selecting the resource, you're already halfway to understanding midpoints. Pupils use a slider to locate midpoints on the coordinate plane. They connect this conceptual understanding to the formula for the midpoint of a line segment.
Interactive
CK-12 Foundation

Pythagorean Theorem and Its Converse

For Students 8th - 10th
To be a right triangle, or not to be — that is the question. Scholars drag line segments in an Internet application to see if they form right triangles. Once they get the results of the activity, they connect them to the converse of the...
Worksheet
Mt. San Antonio Collage

Postulates, Angles, and Their Relationships

For Students 8th - 11th Standards
More than a worksheet, learners go through geometry topics example by example on the nicely organized handout. From postulates to classifying angles, there are rules and examples provided for each topic. The ten pages of problems...
Lesson Plan
1
1
Curated OER

Introduction to Representing and Analyzing Data

For Teachers 5th - 7th
Represent data graphically. Allow your class to explore different methods of representing data. They create foldables, sing songs, and play a dice game to reinforce the measures of central tendency.
Worksheet
Raytheon

Just Measure It

For Students 5th - 7th
In this line segments and angles instructional activity, students solve problem solving problems and multiple choice questions about line segments and angles. Students complete 7 pages of problems.
Lesson Plan
Curated OER

Worksheet 28 - Definite Integrals

For Teachers Higher Ed
In this integral worksheet, students compute definite integrals, sketch line segments and shade regions for the integrals. This one-page worksheet contains six multi-step problems.
Lesson Plan
Curated OER

You Can Get There From Here - Plotting on a Coordinate Plane

For Teachers 6th - 8th
For this plotting worksheet, students plot given ordered pairs on a coordinate plane. After plotting each ordered pair, students connect line segments in consecutive order. Upon completion of the graphing exercise, students will have...
Lesson Plan
Curated OER

Measurement 4: Linear Measure

For Teachers 4th - 5th
In this measurement worksheet, students use a ruler to measure, in inches, the distance of various line segments. Then, using the scale drawing, they determine the actual distance in miles. Students may use their knowledge of proportions...
Worksheet
Curated OER

Parallels and Distance

For Students 10th
In this parallels and distance activity, 10th graders solve 7 different problems related to the distance between a point and a line and the distance between parallel lines. First, they draw the segment that represents the distance...
Worksheet
Curated OER

Parallels and Distance

For Students 10th
In this parallels and distance worksheet, 10th graders solve 8 problems related to parallels of lines and the distance between each line. First, they draw the segment that represents the distance indicated in each figure. Then, students...
Worksheet
Curated OER

Pairs of Lines

For Students 9th - 10th
In this geometry worksheet, students differentiate between perpendicular and parallel planes and lines. They identify segments that are parallel and perpendicular to sides. There are  22 questions.
Lesson Plan
Curated OER

Hands-On Geometry

For Teachers 10th
Tenth graders construct a variety of geometric shapes and designs using a Mira, Clinometer and Geometry Flash Cards. They complete a worksheet.
Lesson Plan
Curated OER

Tangent Properties

For Teachers 9th - 12th
Students explore properties of tangent lines.  In this properties of tangent lines activity, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius.  Students use that...
Worksheet
Curated OER

Midpoints and Segment Congruence

For Students 10th
In this midpoints and segment congruence worksheet, 10th graders solve 14 different problems that relate to determining the midpoints and segments congruence in each. First, they use the given number line to find the coordinates of the...
Worksheet
Curated OER

Polygons

For Students 4th
In this polygons worksheet, 4th graders identify and name the 4 polygons drawn on the bottom of the worksheet and then draw a triangle, hexagon and a quadrilateral.
Lesson Plan
Curated OER

Area and Perimeter

For Teachers 8th
Eighth graders practice solving real life situations involving area and perimeter. In groups, they are given specific roles in determining the layout of a flowerbed. They find the perimeter and area of the flowerbeds and determine...
Lesson Plan
Curated OER

Studying Special Segments in Triangles

For Teachers 8th - 10th
Students investigate special segments in triangles. In this geometry lesson plan, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
Lesson Plan
Curated OER

Finding the Measure of Segments

For Teachers 9th - 12th
Young scholars observe and solve examples of betweenness, ruler postulate, and segment addition postulate. They complete the Finding the Measure of Segments worksheet using the distance formula.
Lesson Plan
Curated OER

Secant and Secant Segments

For Teachers 9th - 10th
Students use the secant and secant segment theorem to solve problems. In this calculus lesson, students identify where the secant line crosses on a circle. They create circles and secants using cabri software.
Worksheet
Curated OER

Segments and Rays Homework

For Students 9th - 10th
In this geometry learning exercise, students identify segments and rays using sketches. They sketch intersection to a plane and describe the relationship of the segment and ray as it related to the intersection. There are 15 questions.
Worksheet
Curated OER

Angles of Elevation and Depression

For Students 10th
In this angles of elevation and depression worksheet, 10th graders solve 6 word problems that include finding angles of elevation and depression. They solve each problem, rounding the measures of segments to the nearest hundredth and...

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