# Perpendicular Bisector Teacher Resources

Find Perpendicular Bisector lesson plans and worksheets
Showing 51 resources
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...
Lesson Plan
Virginia Department of Education

#### Constructions

For Teachers 9th - 11th Standards
Pupils learn the steps for basic constructions using a straightedge, a compass, and a pencil. Pairs develop the skills to copy a segment and an angle, bisect a segment and an angle, and construct parallel and perpendicular lines.
Lesson Plan
EngageNY

#### Construct a Perpendicular Bisector

For Teachers 9th - 10th Standards
How hard can it be to split something in half? Learners investigate how previously learned concepts from angle bisectors can be used to develop ways to construct perpendicular bisectors. The resource also covers constructing a...
Lesson Plan
Curated OER

#### Cabri Jr. Perpendicular Bisector of a Chord

For Teachers 9th - 12th Standards
Your learners will construct the perpendicular bisector of a chord. They use Cabri Jr. to construct a circle and a perpendicular bisector of a chord. They then measure lengths of the chords and perpendicular bisectors. Learners use...
Lesson Plan
Curated OER

#### Perpendicular Bisector of a Line Segment

For Teachers 9th - 12th Standards
High Schoolers investigate the perpendicular bisector of a line segment. They use Cabri Jr. to construct the perpendicular bisector of a segment. The dynamics capabilities of Cabri Jr. allow your learners to observe the lengths of the...
Lesson Plan
EngageNY

#### Characterize Points on a Perpendicular Bisector

For Students 9th - 10th Standards
Learn transformations through constructions! Pupils use perpendicular bisectors to understand the movement of a reflection and rotation. They discover that theÂ perpendicular bisector(s) determine the line of reflection and the center of...
Unit Plan
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EngageNY

#### Congruence, Proof, and Constructions

For Teachers 8th - 10th Standards
This amazingly extensive unit covers a wealth of geometric ground, ranging from constructions toÂ angle properties, triangle theorems, rigid transformations, and fundamentals of formal proofs. Â Each of the almost-forty lessons is broken...
Instructional Video3:07
CK-12 Foundation

#### Perpendicular Bisectors: Lesson

For Students 8th - 11th Standards
Get right up and split it in half. Using a diagram, the video provides the definition of a perpendicular bisector. The portion in a playlist on basic geometry explains perpendicular bisector of a segment and of triangle sides properties.
Lesson Plan
Curated OER

#### Perpendicular Bisector Theorem

For Teachers 9th - 12th Standards
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
Instructional Video1:54
Corbett Maths

#### Perpendicular Through a Point on a Line

For Students 8th - 11th Standards
Use one construction to complete a second. The short video shows how to incorporate the steps of a perpendicular bisector to create a perpendicular to a point on a line. With their own straightedges and compasses, classmates then...
Worksheet
Curated OER

#### Construct, Bisect, Duplicate: Geometry Practice with Compass and Straight Edge

For Students 9th - 12th
Geometers employ a straight edge and compass to duplicate and bisect segments and angles, construct perpendiculars, parallel lines, figures, and circles with points of concurrency. Ample practice with 65 questions across 8 worksheets. No...
Worksheet
Curated OER

#### Angle Constructions

For Students 6th
In this angle constructions instructional activity, 6th graders solve and complete 4 various types of problems. First, they construct a perpendicular bisector of two points. Then, students construct an angle bisector for the angle shown....
Lesson Plan
Curated OER

#### Construction Circles

For Teachers 9th - 12th Standards
Pupils investigate the number of points needed to determine a unique circle in a plane. Using Cabri Jr., they apply construction techniques to generate a circle that passes through a given number of points.
Unit Plan
Mathematics Vision Project

#### Module 6: Congruence, Construction, and Proof

For Teachers 8th - 10th Standards
Trace the links between a variety of math concepts in this far-reaching unit. Ideas that seem very different on the outset (like the distance formula and rigid transformations) comeÂ together in very natural and logical ways. This unit...
Lesson Plan
Curated OER

#### Constructing a Perpendicular Bisector

For Teachers 9th - 12th
Young scholars practice constructing a perpendicular bisector. During a demonstration, they discover the meaning of bisector and perpendicular and answer questions why these steps shown are going to work. They use a compass and a...
Lesson Plan
EngageNY

#### Reflections

For Teachers 9th - 10th Standards
Facilitate creativity in your mathÂ class as individuals learn the definition of a geometric reflection and correctly construct a model, as well as its reflected image. They use a perpendicular bisector and circles to elaborate on...
Lesson Plan
Curated OER

#### Parallel and Perpendicular Line Construction

For Teachers 9th - 11th
In this geometry worksheet, students construct parallel and perpendicular lines given a straight edge and a compass. Their lines pass through a given point. There are 4 questions with an answer key.
Activity
Illustrative Mathematics

#### Points equidistant from two points in the plane

For Teachers 9th - 12th Standards
Young geometers apply their deductive reasoning skills and knowledge of proving triangles congruent in a task that asks them to prove if a point lies on the perpendicular bisector of a segment, then it is equidistant from the endpoints...
Worksheet
Curated OER

#### The Center of a Circle

For Students 10th
In this center of the circle activity, 10th graders solve 5 different center of the circle measurements. First, they draw a circle and add two points on it. From there, students construct a line segment and a midpoint on the line...
Worksheet
Curated OER

#### Triangles

For Students 10th
In this triangles worksheet, 10th graders solve 3 extensive informal geometry problems that involve triangles. First, they sketch a triangle, selecting 3 of the sides and constructing 3 midpoints. Students then draw each of 3 medians by...
Lesson Plan
Curated OER

#### Exploring the Circumcenter of a Triangle

For Teachers 9th - 12th Standards
Learners construct the circumcenter of a triangle. In this constructing the circumcenter of a triangle activity, students construct a triangle using Cabri Jr. Learners draw perpendicular bisectors of the sides of the triangle. Students...
Lesson Plan
Curated OER

#### Constructing Perpendicular Bisectors

For Teachers 10th
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. In this geometry instructional activity, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors....
Instructional Video4:14
Socratica

#### How Do You Find the Center of a Circle?

For Students 9th - 12th Standards
The center of the circle is the center of attention for the resource. A brief video in the Socratica Geometry playlist shows how to find the center of a circle not on the coordinate plane. The method here is to construct the...
Worksheet
Curated OER

#### Constructions and Loci

For Students 9th - 10th
In this geometry worksheet, students construct polygons and calculate the different angles formed by each shape. They construct circles, trapezoids, and rectangles and answer 20 questions.