Unit Plan
CK-12 Foundation

Ck 12: Algebra: Midpoint Formula

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to use the midpoint formula.
eBook
Math Planet

Math Planet: Geometry: Finding Distances and Midpoints

For Students 9th - 10th Standards
Discover how to find distances and midpoints by viewing examples and a video lesson. [1:07]
Handout
CK-12 Foundation

Ck 12: Geometry: Segments Study Guide

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This study guide reviews how to measure the distance between two points and the Ruler Postulate. It also introduces congruency/congruent segments and midpoint.
PPT
Sophia Learning

Sophia: Coordinate Geometry of Trapezoids: Lesson 3

For Students 9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a trapezoid in a coordinate plane. It is 3 of 4 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Rhombi

For Students 9th - 10th
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rhombus in a coordinate plane.
Graphic
Oswego City School District

Oswego City School: Midpoint Formula

For Students 9th - 10th
Students are given methods with pictures to solve for the midpoint of a line segment.
PPT
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms: Lesson 4

For Students 9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. It is 4 of 6 in the series titled "Coordinate...
Unit Plan
Oswego City School District

Regents Exam Prep Center: Midpoint of a Line Segment

For Students 9th - 10th
Examples for using the midpoint formula are given at this site.
Activity
Rice University

Rice University: Cynthia Lanius: School Bus Geometry

For Students 9th - 10th
This site gives a lesson on school bus (Taxicab) geometry. The lesson includes distances and midpoints in taxicab geometry.
Unknown Type
McGraw Hill

Glencoe Mathematics: Quiz on Introduction to Analytic Geometry

For Students 9th - 10th Standards
The online assessment exhibits knowledge of analytic geometry. The questions evaluate students on distance, midpoint, and the area of a rectangle.
Activity
Texas Instruments

Texas Instruments: Midpoint of a Segment

For Teachers 9th - 10th Standards
Students review the basic geometry definitions of segment and midpoint, and learn to use drawing and measurement tools. They explore changes in measurements as the figure is altered.
eBook
Mathigon

Mathigon: Geometry: Triangles and Trigonometry: Properties of Triangles

For Students 9th - 10th Standards
This lesson focuses on the properties of triangles, a closed shape that has three sides, three vertices, and and three internal angles. There are different types of triangles such as a right triangle, obtuse, and acute based on the...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Isosceles Trapezoids: Lesson 3

For Students 9th - 10th
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is an isosceles trapezoid in a coordinate plane. It is 3 of 5 in the series titled...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Parallelograms: Lesson 1

For Students 9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a parallelogram in a coordinate plane. It is 1 of 6 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Rectangles: Lesson 4

For Students 9th - 10th
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rectangle in a coordinate plane. It is 4 of 5 in the series titled "Coordinate...
PPT
Sophia Learning

Sophia: Coordinate Geometry of Squares: Lesson 2

For Students 9th - 10th Standards
This lesson will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices if a quadrilateral, if the shape is a square in a coordinate plane. It is 2 of 2 in the series titled...
Handout
Cuemath

Cuemath: Midpoint Theorem

For Students 9th - 10th Standards
A comprehensive guide for learning all about plane shapes with definitions and solved examples.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Midsegment Theorem

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Apply the Midsegment Theorem.
Activity
CK-12 Foundation

Ck 12: Segments From Chords

For Students 9th - 10th Standards
[Free Registration/Login Required] Students will move points to create a midpoint on a chord. Click 'Challenge Me' to answer a practice question.
Unit Plan
Cuemath

Cuemath: Midsegment of a Triangle

For Students 9th - 10th Standards
This mini-lesson explores the world of the midsegment of a triangle by finding the answers to questions like what is midsegment of a triangle, triangle midsegment theorem, and proof with the help of interactive questions.
Activity
Texas Instruments

Texas Instruments: Investigating Segments in a Quadrilateral

For Teachers 9th - 10th Standards
In this activity, students use the tools of Cabri Jr to test their knowledge of geometry. They investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral.
Unknown Type
Khan Academy

Khan Academy: Distance Between Two Points

For Students 7th - 8th Standards
In this exercise, students practice using the distance formula, which is derived from the Pythagorean Theorem, to find the distance between two points on a coodinate grid. Students receive immediate feedback and have the opportunity to...

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