Worksheet
Curated OER

Special Segments is a Triangle

For Students 10th
In this geometry learning exercise, 10th graders examine the special segments that occur in a triangle.  The three page learning exercise contains twenty-five problems.  Answers are not included. 
Lesson Plan
Curated OER

Exploring Centers of a Triangle: Part 1

For Teachers 9th - 11th
Learners use problem solving skills, formal geometry, and The Geometer?s Sketchpad. They model and solve two real-world problems by constructing the in center and circumcenter of triangles.
Lesson Plan
Curated OER

Determining the Uniqueness of a Circle

For Teachers 6th - 8th
Students use this activity to determine how circles are different from other shapes. In groups, they determine the accuracy of three theorems based on the uniqueness of circles. They use a software program to hypothesize about the...
Worksheet
Curated OER

Geometry, Word Search Puzzle

For Teachers 6th - 8th
In this math worksheet, students look for the words that are related to the math words used in the practice of geometry. They also practice spelling.
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]
eBook
Math Planet

Math Planet: Algebra 1: Radical Expressions: The Distance and Midpoint Formulas

For Students 9th - 10th Standards
Distance and midpoint formulas are explained through the use of examples and a video lesson. [1:58]
eBook
Math Planet

Math Planet: Algebra 2: Distance Between Two Points and the Midpoint

For Students 9th - 10th Standards
Gain an understanding of how to find the distance between two points and the midpoint by viewing examples and a video lesson.
Unknown Type
Khan Academy

Khan Academy: Midpoint Formula

For Students 9th - 10th Standards
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...
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...
Activity
Texas Instruments

Texas Instruments: From a Distance, You Can See It!

For Teachers 9th - 10th
In this activity, students find the distance between points using common fractions and decimals, with the concepts of midpoint and distance. They also learn to solve problems using the Pythagorean theorem.
Unit Plan
Khan Academy

Khan Academy: Equation Practice With Midpoints

For Students 7th - 8th
Given information about the distance of a segment's midpoint from its endpoints, form and solve an equation in order to find the length of the segment. Students receive immediate feedback and have the opportunity to try questions...
Handout
University of Toronto (Canada)

University of Toronto: Why the Midpoint Formula Works

For Students 9th - 10th Standards
A written proof that shows how the midpoint formula works.
Unknown Type
Khan Academy

Khan Academy: Distance of Complex Numbers

For Students 9th - 10th Standards
Given two complex numbers (either algebraically or graphically), find their distance. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Midpoint of Complex Numbers

For Students 9th - 10th Standards
Given two complex numbers (either algebraically or graphically), find their midpoint. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: The Distance Formula and the Midpoint Formula

For Students 9th - 10th
Twenty-two problems present a variety of practice working with the distance formula and the midpoint formula. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
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.
Unit Plan
Illustrative Mathematics

Illustrative Mathematics: Complex Distance

For Students 9th - 10th Standards
This problem is intended to reinforce the geometric interpretation of distance between complex numbers and midpoints as modulus of the difference and average respectively.
Activity
Texas Instruments

Texas Instruments: Distance and Midpoint Formulas

For Teachers 9th - 10th
Self checking using the attached LearningCheck .edc file. These six questions, maybe used for class warmup, review, or checking for understanding.
Handout
Cuemath

Cuemath: Midpoint Theorem

For Students 9th - 10th Standards
A comprehensive guide for learning all about plane shapes with definitions and solved examples.
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.
Activity
Other

Git: What Is the Slope Intercept Form of a Line?

For Students 9th - 10th
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.
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.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: N Cn Complex Distance

For Teachers 9th - 10th Standards
In this problem, you will compute some values related to the complex numbers 2 + i and 5 - 3i. Aligns with N-CN.B.6.
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.

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