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Lesson Plan
Curated OER

The Number Line

For Teachers 3rd - 5th
Learners graph and order numbers using a number line. They also solve word problems using fractions and decimals and rewrite equations to solve problems correctly. Several example word problems are given. 
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Lesson Plan
Curated OER

Write the Equation of a Line Given Two Points

For Teachers 9th - 10th
Ninth graders write the equation of a line using two points. They are given a set of coordinate pairs and asked to write the equations of line using the slope and a point. Next, they use the formula y2-y1 divided by x2-21 to find the slope.
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Worksheet
Curated OER

length of the Line Segment

For Students 10th
In this geometry worksheet, 10th graders use the distance formula to determine the length of the give line segments.  The one page worksheet contains eight problems.  Answers are provided. 
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Worksheet
Curated OER

Midpoint Formula Worksheet

For Students 10th
In this geometry worksheet students use the midpoint formula to determine the midpoint of a line segment given the end points.  The one page worksheet contains eight problems.  Answers provided. 
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Worksheet
Curated OER

WS 12.8 More Organic Reactions

For Students 12th - Higher Ed
In this organic molecules worksheet, students write structural formulas for products of reactions of alkenes. They also write equations using structural or line formulas for halogenation reactions and hydrohalogenation reactions.
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Lesson Plan
EngageNY

An Area Formula for Triangles

For Teachers 11th - 12th Standards
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
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Instructional Video12:58
2
2
Flipped Math

Slopes of Parallel and Perpendicular Lines

For Students 9th - 12th Standards
Apply slopes and not slipping. Learners discover the relationship between slopes of parallel and perpendicular lines. Individuals use that information to find equations of lines through a given point that is either parallel or...
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Interactive
CK-12 Foundation

Midpoint Formula

For Students 8th - 10th
By selecting the resource, you're already halfway to understanding midpoints. Pupils use a slider to locate midpoints on the coordinate plane. They connect this conceptual understanding to the formula for the midpoint of a line segment.
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Instructional Video5:17
2
2
Flipped Math

Unit 3 Review: Parallell and Perpendicular Lines

For Students 9th - 12th Standards
Learners watch a quick review on the Parallel and Perpendicular Lines unit. The pupils work through ten review problems ranging from identifying types of angles formed by parallel lines and transversals to writing equations of parallel...
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Interactive
CK-12 Foundation

Points that Partition Line Segments: Cutting a Log

For Students 9th - 12th
Teach ratios of line segments using an interactive approach. Scholars examine a line segment in the shape of a log and use their knowledge of ratios to divide it into various partitions. As an introductory lesson, the segment has a...
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Interactive
CK-12 Foundation

Graphs Using Slope-Intercept Form: Zip-Line

For Students 7th - 9th Standards
Zip lines aren't so scary when all your scholars use them for is math. Young mathematicians see how the slope of a zip-line to a building changes as the height changes. They answer a set of challenge questions regarding the scenario.
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Performance
Radford University

Picturing Lines

For Teachers 9th - 12th Standards
Slopes are everywhere—even in houses! Given a picture of a house, learners find lines with positive, negative, zero, and no slopes. Scholars determine the equation of the lines by calculating the slopes and y-intercepts. Class members...
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Interactive
CK-12 Foundation

Directed Line Segments: Dog Park

For Students 11th - Higher Ed Standards
Its a dog's world! Using a vector in standard position, pupils model the path a dog takes to different items in a dog park. The individuals use the interactive to find the magnitude and direction of the directed line segment.
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Instructional Video9:40
2
2
Flipped Math

Equations of Lines in the Coordinate Plane

For Students 9th - 12th Standards
What, you mean there is algebra in a Geometry class? Pupils review graphing and writing the equations of lines in slope-intercept form. The instruction follows the "I do, we do, you do" framework of a lesson. The instructor first...
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Lesson Plan
1
1
Curated OER

Dynamic Algebra

For Teachers 9th - 12th Standards
Explore 5 classical problems of algebra.  They will solve problems involving Heron's formula, fractional equations, vector equations, apollonius' sphere, and transversals. The idea is to lead to new perceptions and visual thinking.
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Worksheet
Math Worksheet

Find the Midpoint of a Line Segment

For Students 7th - 10th
How many times can you find the midpoint of a line segment given two points? Well, more times than anyone probably needs to with these ten different worksheets, each with 24 problems. All the points used in the problems are positive and...
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Lesson Plan
Willow Tree

Slope

For Students 8th - 11th Standards
Investigate the different types of slope using graphs and ordered pairs. Scholars use the slope formula to determine the slope of a line between two points. Includes examples with a slope of zero and with no slope. The lesson follows a...
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Lesson Plan
Curated OER

A Real Life Example of the Distance Formula

For Teachers 10th - 12th
Students answer the following question: "Using the lines of latitude and longitude, what is the distance (in degrees) if you were to travel from NASA Dryden to NASA Ames?" They use the distance formula to find the distance (measured in...
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Worksheet
Curated OER

The Midpoint Formula

For Students 9th - 10th
In this midpoint formula worksheet, students find the midpoint of line segments. Students identify the midpoint from information given on a graph and from ordered pairs representing the endpoints. They solve 14 problems on two pages. ...
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Worksheet
Curated OER

The Midpoint Formula

For Students 9th - 11th
In this midpoint formula worksheet, students determine the midpoint of a line by using given ordered pairs. Students use one endpoint of a line and the midpoint to find the remaining endpoint of a line. This four-page worksheet contains...
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Lesson Plan
Curated OER

Distance Formula

For Teachers 1st - 11th
Students calculate the distance between two points using the distance formula. In this geometry lesson, students derive the distance formula using the Pythagorean Theorem.
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Worksheet
Curated OER

Midpoint of a Line

For Students 8th - 10th
In this midpoint worksheet, students determine the midpoint of a line from the given coordinates. This four-page worksheet contains 20 problems.
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Interactive
Curated OER

Formulas Multiple Choice

For Students 9th - 12th
In this formulas activity, students determine the distance between two points.  They read story problems, identify needed information, write equations and solve them.  Students find the midpoint of a line.  This two-page activity...
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Lesson Plan
Curated OER

Worksheet 1 - Equation of a Line

For Teachers Higher Ed
In this equation of a line worksheet, students determine the equation of a line, use the distance formula to identify the relationship between two moving objects, and solve inequalities algebraically. This two-page worksheet contains...