Khan Academy
SAT Prep: Test 7 Section 5 Part 2
Complicated word problems and expressions are no match for Sal, and after watching this series, they will be no match for your students either! Sal deftly handles problems involving algebraic equations, averages, and circumference.
Curated OER
How Do You Find the Midpoint of Two Points on a Map If You Have the Coordinates?
So you need to find the midpoint between two cities on a map. If you know the coordinates of the two cities then you can use a formula to figure out the midpoint. It really is as easy as that. Check out this video to see the formula.
Curated OER
What is a Line Segment?
Line, line segment, segment of a line, what does it all mean? Endpoints, midpoints, names of lines, names of segments. Watch this video and learn the definitions of these terms.
Curated OER
What's the Midpoint Formula?
The midpoint of a line segment can be found using the ordered pair of each endpoint and dividing by 2. Not sure what that means? Watch this video to see the graph of a line segment and see how the teacher uses a formula to find the...
Curated OER
How Do You Find the Midpoint Between Two Coordinates?
You've been given two coordinate points on a graph. When these points are connected they form a line segment. Now you have to find the midpoint of this line. Of course there is a formula and all you have to do is plug in the coordinate...
Khan Academy
Khan Academy: Algebra: Midpoint Formula
This video demonstrates how to find the coordinate of the midpoint between two points on a coordinate plane by taking the mean of the x values and the mean of the y values. Practice problems available. This video is also found in the...
Khan Academy
Khan Academy: Geometry: Ca Geometry: Compass Construction
Demonstrates solutions to problems #56-60 of the California Geometry released state test questions. Problems address compass constructions, slope of perpendicular lines, and using the distance formula. [12:49]
Sophia Learning
Sophia: Finding the Midpoint: Lesson 8
From this lesson, you'll see how to locate and draw a midpoint on a line segment. It is 8 of 10 in the series titled "Finding the Midpoint."
Virtual Nerd
Virtual Nerd: What Is a Perpendicular Bisector?
This tutorial takes a look at perpendicular bisectors and illustrates what the term means. [3:23]
Sophia Learning
Sophia: Coordinate Geometry of Rectangles
This detailed lesson uses slope, midpoint, and distance formulas to prove a quadrilateral is a rectangle in the coordinate plane.
Sophia Learning
Sophia: Finding a Missing Coordinate Using the Midpoint Formula
This video tutorial demonstrates how to find missing coordinates using the midpoint formula. The lesson includes a detailed example of the skill.
Virtual Nerd
Virtual Nerd: What Is a Line Segment?
Take a look at this tutorial to learn about line segments, how to name them, and what the midpoint of a line segment is. [3:13]
Virtual Nerd
Virtual Nerd: How Do You Find the Midpoint Between Two Coordinates?
The midpoint of a line segment is the point midway between the endpoints of the line segment. This tutorial shows you how to find it. [2:23]
Virtual Nerd
Virtual Nerd: Find the Midpoint of Two Points on a Map if You Have Coordinates
This tutorial takes you through the process of finding the point midway between two cities. [3:21]
Khan Academy
Khan Academy: Triangles: Congruent Triangle Proof Example
Students learn how to prove that two triangles are congruent using midpoint of line segments.
Khan Academy
Khan Academy: 3. Fun With Weights
Let's take a closer look at the weights used during subdivision. Do we have to be careful when selecting weights?
Khan Academy
Khan Academy: 2. Weighted Subdivision
Next let's extend the averaging step from the previous lesson to include multiple points. Now we'll need to calculate positions using a weighted average.
Khan Academy
Khan Academy: 3. Subdividing Your Own Designs
Now you are ready to start subdividing your own shapes with more than 4 points!
Khan Academy
Khan Academy: 2. Midpoint Formula
Explore how midpoints are used to describe the string art construction.
Other
Mario's Math Tutoring: Act Math 21 Concepts to Boost Your Score
A video [48 mins, 48 sec] explaining 21 different math concepts to help students prepare for the ACT including; circumference; averages; probability; multiplication counting principle; functions; circles; percentages; factoring; rules of...
Sophia Learning
Sophia: Finding an Endpoint: Lesson 2
In this lesson, you'll learn how to find an endpoint when you already have a midpoint. It is 2 of 11 in the series titled "Finding an Endpoint."
Sophia Learning
Sophia: Finding an Endpoint: Lesson 3
In this lesson, you'll learn how to find an endpoint when you already have a midpoint. It is 3 of 11 in the series titled "Finding an Endpoint."
Sophia Learning
Sophia: Finding an Endpoint: Lesson 7
In this lesson, you'll learn how to find an endpoint when you already have a midpoint. It is 7 of 11 in the series titled "Finding an Endpoint."