Worksheet
Curated OER

Parallel Lines and Proportional Parts

For Students 10th
In this parallel lines and proportional parts activity, 10th graders solve 5 different problems related to determining whether lines are parallel and proportional in each figure. First, they refer to the figure shown at the top to...
Worksheet
Curated OER

Points, Lines, Segments, Rays, and Angles

For Students 5th
In this geometry instructional activity, 5th graders label the two figures shown. Worksheet reviews and provides examples of a point, parallel lines, angles, rays, line segments, and perpendicular lines.
Lesson Plan
Curated OER

Duplicating Segments and Angles

For Teachers 10th
Tenth graders investigate geometric construction.  In this geometry lesson, 10th graders explore the procedure for copying an angle and a segment.  The lesson emphasizes the difference between a sketch, a drawing, and a...
Worksheet
Curated OER

Arcs and Chords Homework

For Students 9th - 12th
In this geometry worksheet, high schoolers examine a circle with chords and apply formulas to solve for the missing segments or arc. There are 9 questions.
Lesson Plan
Curated OER

Map Making Project

For Teachers 5th - 8th
Learners identify and draw parallel, intersecting, and perpendicular lines and line segments. In this lines lesson plan, students draw a map with avenues and streets by drawing these lines.
Worksheet
Curated OER

Area of a Parallelogram

For Students 10th
In this area of a parallelogram worksheet, 10th graders determine the measurement of 10 different parallelograms illustrated. First, they multiply the base of the parallelogram times its height to determine the area. Then, students...
Worksheet
Curated OER

Slope

For Students 9th
In this slope worksheet, 9th graders solve and complete 15 different problems that include identifying various points on a grid. First, they find the slope of each line segments listed on the left. Then, students write their response on...
Interactive
CK-12 Foundation

Bisectors of Line Segments and Angles: Cut an Angle

For Students 6th - 10th
Explore constructions through an interactive online lesson. Given an example of an angle bisector construction, learners investigate the markings to determine the method used. Challenge questions help solidify the steps. 
Interactive
CK-12 Foundation

Proofs: Angle Pairs and Segments—The Three Angle Problem

For Students 9th - 11th
Finding the sum of the measures of three angles is easy, unless you have no clue what the measures are. Learners use an interactive diagram to see a geometric problem in a different way. A set of challenge questions takes them through...
Worksheet
Curated OER

Digital Display Circuits

For Students Higher Ed
In this physics worksheet, students solve and write short answers to 15 questions on segment decoder circuits. They interpret and analyze schematic diagrams and answer questions that follow.
Worksheet
Curated OER

Graphing on the Coordinate Plane

For Students 10th
In this geometry activity, 10th graders determine the midpoint of a line segment given the coordinates of the two endpoints or find the missing endpoint given the coordinates of the midpoint and one endpoint.  The one page activity...
Worksheet
Curated OER

Standardized Geometry Test Practice

For Students 10th
In this angles, lines and figures review worksheet, 10th graders solve and complete 33 standardized multiple choice problems. First, they use the Segment Addition Postulate to solve for a variable given an equation for each line. Then,...
Worksheet
Curated OER

Measuring angles and segments

For Students 7th - 8th
In this middle school geometry worksheet, students use a ruler and a protractor to measure segment length and angle size.  The one page worksheet contains six problems.  Answers are not provided. 
Interactive
Curated OER

Segments and Rays Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students identify the coordinate pairs of a segment. They calculate the distance using the distance formula. There are 5 questions with an answer key.
Interactive
Curated OER

Segment Formulas Multiple Choice

For Students 10th
In this geometry activity, 10th graders use the theorems regarding circles and tangents to find the indicated missing segment length.  The one page interactive activity contains ten problems.  Answers are included. 
Worksheet
Curated OER

Geometry: Identify Figures Through Segments

For Students 2nd - 4th
In this geometry activity, students answer 5 questions, finding shapes using a figure with labeled line segments running through it. A reference website is given for additional resources.
Worksheet
Curated OER

Mollusks and Segmented Worms

For Students 6th - 12th Standards
Keep clam and read on! After reading the textbook selection about mollusks and worms in the additional materials section, your young zoologists check their comprehension by answering the questions on the handout found here. To...
Worksheet
Curated OER

Six Exercise Sets on Transformations

For Students 8th - 11th Standards
Middle and high schoolers solve fifteen problems from six exercise sets covering transformations, reflections, rotations, and enlargements. The solutions are provided.
Lesson Plan
Curated OER

First Sound Segmenting Accuracy

For Teachers Pre-K - 1st
What's the sound, Mico? Use your class' favorite puppet (in this example, Mico) to teach them about initial sounds in single-syllable words. Using the picture cards provided, choose three and lay them out in front of learners. When Mico...
Lesson Plan
1
1
Illustrative Mathematics

The Geometry of Letters

For Teachers 3rd - 5th Standards
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
Lesson Plan
Hawaiʻi State Department of Education

Dimension Dances

For Teachers 4th
Use dance to help learners conceptualize line segments, rays, lines, and planes. They choreograph dances that show dimensional space. Dancers start by pondering space, point, and lines as the teacher draws them in the air. Each...
Lesson Plan
Florida Center for Reading Research

Phoneme Split and Say

For Teachers 2nd - 3rd Standards
Little ones are provided with all the tools needed to begin segmenting phonemes. There are twenty Elkonin box picture cards, five blank Elkonin box cards, and full instructions on how to help pre-readers practice splitting and saying...
Lesson Plan
Curated OER

Save the Music Concerts: Parts 1 & 2

For Teachers 7th - 12th
Music aficionados classify pop music into by musical genres or styles. They evaluate the positive and negatives of collaborative performances, view segments of VH1's "Save the Music" concert, and discuss the difficulties of...
Worksheet
Mt. San Antonio Collage

The Trapezoid

For Students 9th - 12th Standards
Enjoy this nicely organized worksheet that puts together multiple problems regarding trapezoid proofs. The resource can be used as a guide that begins with proving properties and ends with solving for measures of line segments.

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