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Khan Academy
Khan Academy: Midpoint Formula
Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Texas Education Agency
Texas Gateway: Coordinate Geometry: Midpoint
Given coordinate points the student will use midpoint formulas to solve problems.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Midpoint Formula for Any Fraction
The Midpoint Formula finds the exact point that is halfway between two points. "Dr. Math" provides a formula that can be used to locate a point that is some fractional part of the entire segment.
Khan Academy
Khan Academy: Midpoint Formula
Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint. This is a four-problem quiz/practice.
Purple Math
Purplemath: The Midpoint Formula
This lesson from Purplemath demonstrates how to use the Midpoint Formula and shows typical problems using the Midpoint Formula.
University of Toronto (Canada)
University of Toronto: Why the Midpoint Formula Works
A written proof that shows how the midpoint formula works.
CK-12 Foundation
Ck 12: Algebra: Midpoint Formula
[Free Registration/Login may be required to access all resource tools.] Learn how to use the midpoint formula.
Math Planet
Math Planet: Algebra 2: Distance Between Two Points and the Midpoint
Gain an understanding of how to find the distance between two points and the midpoint by viewing examples and a video lesson.
Sophia Learning
Sophia: Finding a Missing Coordinate Using the Midpoint Formula: Lesson 2
This lesson demonstrates how to find a missing x or y coordinate of a segment when given the midpoint of the two points on a coordinate plane. It is 2 of 5 in the series titled "Finding a Missing Coordinate using the Midpoint Formula."
CK-12 Foundation
Ck 12: Algebra: Midpoint Formula
[Free Registration/Login may be required to access all resource tools.] This concept introduces midpoints of line segments.
Texas Instruments
Texas Instruments: Distance and Midpoint Formulas
Self checking using the attached LearningCheck .edc file. These six questions, maybe used for class warmup, review, or checking for understanding.
Sophia Learning
Sophia: Midpoint Formula in the Real World: Lesson 5
This lesson will provide real world examples that require a learner to set up and solve for the midpoint of a segment using the midpoint formula. It is 5 of 5 in the series titled "Midpoint Formula in the Real World."
Wolfram Research
Wolfram Math World: Midpoint
This MathWorld site offers a lesson on finding the midpoint of a line segment using a compass and finding the midpoint of the sides of a triangle. This site also has an interesting way of drawing two triangle with equal area by finding...
Government of Alberta
Learn Alberta: Midpoint Between Two Locations
Find the midpoint between any two points using this java applet. The applet allows the user to pick any two points, see the segment and how the midpoint is found algebraically and graphically.
Texas Instruments
Texas Instruments: Midpoint Formula Discovery
Step by step instructions are given for the students to draw a segment, find the midpoint, and label the coordinates of the two endpoints and the midpoint. The students then record the data in a table for various segments. Based on the...
Oswego City School District
Oswego City School: Midpoint Formula
Students are given methods with pictures to solve for the midpoint of a line segment.
Other
The Coordinate Plane: Graphs & Graphing Calculators
Site provides exercises for graphing on the coordinate plane including distance formula, midpoint formula, graphs of equations, and graphing using a calculator.
Other
Numerical Integration: The Left and Right Rectangle Rules and the Midpoint Rule
A detailed and comprehensive site dealing with the Left and Right Rectangle Rules and the Midpoint Rule. Includes formulas and graphs.
Oswego City School District
Regents Exam Prep Center: Midpoint of a Line Segment
Examples for using the midpoint formula are given at this site.
CK-12 Foundation
Ck 12: Geometry: Midpoints and Segment Bisectors
[Free Registration/Login may be required to access all resource tools.] Apply the definitions of midpoint, segment bisector, and angle bisector.
Alabama Learning Exchange
Alex: Midpoint of a Line Segment.
Investigate finding the midpoint of a line segment and derive the formula for the midpoint of two points on a coordinate plane. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
Texas Education Agency
Texas Gateway: Coordinate Geometry: Special Segments
The student will derive and use the slope and midpoint formulas to verify geometric relationship that include parallelism and perpendicularity of lines. Then, the student will determine an equation of a line parallel or perpendicular to...
Other
Git: What Is the Slope Intercept Form of a Line?
Not only does this site show what the slope-intercept form is, but it helps you find the slope and the intercept of a line. There is also additional information on parallel lines, parametric form, and the distance between two points.
ClassFlow
Class Flow: Midpoint of a Line Segment
[Free Registration/Login Required] This flipchart has a clear explanation of ways to use the midpoint of a line segment with algebra.