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Lesson Plan
Curated OER

Midpoint Formula in the Coordinate System

For Teachers 8th - 10th
Young scholars calculate the midpoint of a line. In this geometry lesson, students identify the different parts of the coordinate plane. They use the midpoint formula to find the middle of segments between a pair of coordinates.
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Worksheet
Curated OER

Geometry Glencoe Chapter 13 Test

For Students 8th - 12th
For this Geometry Chapter 13 review worksheet, students complete 20 multiple choice questions and 1 bonus question regarding volume, dilation, and midpoint and distance between points of 3D objects.
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Lesson Plan
Curated OER

Quadrilateral Explorations-Grade Nine

For Teachers 9th
Ninth graders investigate quadrilaterals.  For this geometry lesson, 9th graders examine and classify quadrilaterals using the slope, midpoint and distance formulas.  Additionally, students create various quadrilaterals given three point...
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Lesson Plan
Curated OER

Investigating Segments in a Right Triangle

For Teachers 9th - 12th Standards
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
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Interactive
Curated OER

Formulas Multiple Choice

For Students 9th - 12th
In this formulas worksheet, students determine the distance between two points.  They read story problems, identify needed information, write equations and solve them.  Students find the midpoint of a line.  This two-page worksheet...
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Worksheet
Curated OER

Triangulation Experiment

For Students 11th - Higher Ed
In this triangulation worksheet, learners solve and complete 11 steps of an experiment to determine the distance to a far away object using triangulation and trigonometry. First, they select a far away object and create a baseline far...
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Worksheet
Geometry Accelerated

Coordinate Geometry Additional Practice

For Students 8th - 10th Standards
Your learners get extra practice using coordinates in calculating mid points, finding end points, deciding if points are collinear, calculations using slope concepts, writing linear equations, using triangles and quadrilaterals, and...
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Worksheet
Geometry Accelerated

Accelerated Geometry Review Sheet

For Students 8th - 10th Standards
Your geometry learners use their knowledge of various geometric concepts to write proofs. Starting with givens containing parallel line segments with transversals and triangles and quadrilaterals, and the mid-point and distance formulas;...
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Unit Plan
EngageNY

Complex Numbers and Transformations

For Teachers 11th - 12th Standards
Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...
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Lesson Plan
Curated OER

Midsegments of Quadrilaterals

For Teachers 9th - 12th Standards
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.
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Unit Plan
Radford University

Google Earth Trip

For Teachers 9th - 12th Standards
Travel the world instantly—and learn about math along the way. Using pictures of famous places taken from Google Earth, scholars look for parallel and perpendicular lines based on slope and angle measurements. They also calculate...
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Lesson Plan
Curated OER

Coordinate Geometry Battleship Lesson Plan

For Teachers 8th - 10th
Students play a "Battleship" type of game to practice graphing on a coordinate plane. For this coordinate graphing lesson, students select a point on their grid to place their "battleship." It the opposing team misses the ship, the...
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Lesson Plan
Curated OER

Finding the Measure of Segments

For Teachers 9th - 12th
High schoolers 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.
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Lesson Plan
Curated OER

Coordinate Proofs

For Teachers 9th - 12th
Students explore the concept of coordinate proofs. In this coordinate proofs lesson, students write coordinate proofs using properties of distance, slope, and midpoint. Students discuss why it is sometimes beneficial to double the...
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Worksheet
Curated OER

Parts of a Line

For Students 6th - 8th
In this parts of line worksheet, students solve and complete 12 various types of problems. First, they find the length of the indicated line segments. Then, students determine the lengths of the line segments listed.
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Performance
Radford University

Parallelogram Task

For Teachers 9th - 12th Standards
These floors were made for learning. Pupils use coordinate planes drawn on the classroom floor using tape to investigate parallelograms. They measure lengths, angles, and slopes to identify properties of parallelograms.
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Worksheet
Curated OER

Quadrilateral Explorations

For Students 9th
In this geometry worksheet, 9th graders classify quadrilaterals by using coordinate geometry and the properties of various quadrilaterals. The seven page worksheet contains eleven questions. Answers are not included.
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Worksheet
Curated OER

Three-Dimensional (3-D) Space

For Students Higher Ed
In this three-dimensional worksheet, students identify the center and radius of given spheres. They simplify an equation for all points in three-dimensional space which are equidistant from a given point. This two-page worksheet...
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Lesson Plan
Curated OER

Shot Put Arc

For Teachers 6th - 8th
Students complete Part A: Dissecting a Circle. They generate their own chords within the circle. Students measure the various parts of the arc in the shot put pit. The first two measurements, the chord and distance from the midpoint of...
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Interactive
Curated OER

Coordinate Geometry

For Students 6th - 8th
In this geometry worksheet, learners calculate the midpoint and distance between two points. They use the correct formula to solve the area and perimeter of polygons. There are 20 multiple choice questions with an answer key.
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Worksheet
Curated OER

Math 212: Planes

For Students Higher Ed
In this plane instructional activity, students find the midpoint of a line, determine points on a plane, and use the cross product to find an equation with given parameters. This two-page instructional activity contains three problems.
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Handout
2
2
Alaska Department of Education

Mathematics Reference Sheet

For Teachers 5th - 10th Standards
Triangles and prisms don't stand a chance when your learners use this handout full of the formulas they need to know about the different shapes. Area, volume, and surface formulas are all covered along with the standard measurement and...
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Assessment
Mt. San Antonio Collage

Quiz 1: Types of Functions

For Students 9th - 12th Standards
Sometimes the best things are already done for you! Here is a six-problem quiz that has a variety of problems ranging from solving quadratic equations to interpreting a function. The piece-de-resistance is the worked out answer key in...
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Lesson Plan
Curated OER

Introduction to Graphing

For Teachers 9th - 10th
In this graphing worksheet, learners graph linear equations on a coordinate plane. Students identify the slope and y-intercept of each problem, find the midpoint of a line, and the distance between given points. Given an equation,...

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