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Lesson Plan
Curated OER

Identifying Lines: Horizontal, Vertical, and Oblique

For Teachers 2nd
Second graders identify horizontal, vertical, and oblique lines on a worksheet after learning them in class. They demonstrate a horizontal line with their arms while saying the word and use their arms with no talking to demonstrate...
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Worksheet
Curated OER

Slopes and the Equation of a Line

For Students 9th
In this slope and the equation of a line worksheet, 9th graders solve 15 various types of problems that include determining the slope of a line segment and determining the equation of line when two points on the line are presented. They...
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Lesson Plan
Curated OER

Using Technology To Teach Parallel Lines With Transversals

For Teachers 9th - 12th
Students explore the relationships between angles formed by two lines cut by a transversal when lines are and are not parallel. They define key vocabulary terms, then using a camera take pictures at their school of parallel lines with...
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Worksheet
Curated OER

Properties of Angles, Lines, and Triangles

For Students 10th
In this properties of angles, lines and triangles worksheet, 10th graders solve and complete 28 different problems that include determining the measurement of various figures shown. First, they use the geometric properties and theorems...
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Worksheet
Curated OER

Parallel and Perpendicular Lines

For Students 9th - 10th
In this algebra/geometry worksheet, students investigate the slopes and equations of parallel and perpendicular lines.  The two page worksheet contains a combination of eleven multiple choice and free response questions.  Solutions are...
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Worksheet
Curated OER

The Slope of Parallel and Perpendicular Lines

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, students examine slope to determine if the given lines are parallel or perpendicular.  Students determine the equation of lines that are either parallel or perpendicular to the given line.  The two...
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Lesson Plan
Curated OER

Parallel and Perpendicular Lines

For Teachers 10th
Tenth graders explore parallel and perpendicular lines.  In this geometry instructional activity, 10th graders investigate the relationships associated with parallel lines and transversals, perpendicular lines, and the angles formed by...
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Worksheet
Curated OER

Making a Line Graph

For Students 5th - 8th
In this line graph activity, students use data given in a table and assign axes, make a scale, plot data and make a line or curve on their constructed graphs.
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Lesson Plan
Curated OER

Study in Line Direction

For Teachers K - 3rd
Students study line direction in art. In this art lesson on lines, students look at art that portrays lines being used in different ways. They will use what they have learned about lines to create a final composition depicting either...
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Lesson Plan
Curated OER

Lines of Symmetry

For Teachers 4th - 6th
Students practice dance to divide the space or body shape into equal sections to create symmetry in dance. In this symmetry lesson, students practice symmetrical and asymmetrical movements in dance. Students participate in move and...
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Lesson Plan
Curated OER

Line and Shading = Shape and Form

For Teachers 4th - 12th
Young scholars collect natural objects and draw these objects with and without shading.
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Lesson Plan
Curated OER

Graphing Linear Equations with Two Variables

For Teachers 9th - 11th
Can your class solve linear equations in two variables? They will be able to after they engage in this instructional activity. Individuals graph linear equations in two variables using slope and intercept and identifying the relationship...
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Interactive
Khan Academy

Challenge: Lined Paper

For Students 6th - Higher Ed
Now create your own graph paper with this JavaScript programming activity! First, change the while loop that draws horizontal lines into a for loop. Then, add another for loop that draws the vertical lines. For an added challenge,...
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Worksheet
Mental Arithmetic

Mixed Addition and Subtraction Year 1

For Students 1st - 2nd Standards
Reinforce addition and subtraction with a 30-problem arithmetic worksheet in which scholars add and subtract numbers between one through 10. 
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Lesson Plan
Curated OER

Angle Relationships

For Teachers 9th - 10th
Students investigate geometric relationship using conjecture about linear pairs and vertical angles. In this geometry lesson, students apply their theorems and previous geometry knowledge to solve for and find angles of linear pairs....
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Handout
1
1
West Contra Costa Unified School District

Subtracting Numbers

For Students K - 6th Standards
Give families the information needed to support their child in the mastering of subtracting numbers with a two page reference sheet offering detailed descriptions and labeled examples. 
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Activity
Illustrative Mathematics

Find the Missing Angle

For Teachers 7th - 9th Standards
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
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Worksheet
Curated OER

Adding 2-Digit Numbers

For Students 2nd - 3rd Standards
If you're looking for guided addition problems, here is a practice list of 30. All of these have two double-digit addends, and many require regrouping. There are three example problems for learners to reference, each of which also...
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Lesson Plan
Curated OER

Plotting Earthquakes

For Teachers 4th - 7th
Students plot earthquakes on a map. In this lesson on earthquakes, students will explore recent earthquake activity in California and Nevada. Students will plot fault lines and earthquake occurrences on a map.
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Worksheet
Curated OER

The or Sound

For Students K - 1st Standards
Before using this vowel sounds crossword activity, be forewarned that the pronunciation here is based on British English, and will be confusing for American English speakers. Learners focus on the /or/ sound, examining five spelling...
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Lesson Plan
Curated OER

Do Two Points Always Determine a Linear Function II?

For Teachers 9th - 12th Standards
Learners analyze the difference between the slope intercept and standard forms of a line in this task. Given two general points using letters they explore linear functions and linear equations.
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Lesson Plan
Curated OER

Perspective Drawing for Beginners-Two Point Perspective

For Teachers 5th - 7th
Students inspect two point perspective. In this perspective lesson, students explore drawing with two vanishing points. Students create an original piece of art using two point perspective.
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Lesson Plan
Curated OER

Line Hunt

For Teachers K - 3rd
Learners identify lines in everyday images.  In this art analysis lesson, students practice drawing diagonal, vertical and horizontal lines on pieces of chart paper.  Learners examine a page from a magazine and identify the different...
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Lesson Plan
Illustrative Mathematics

Do Two Points Always Determine a Linear Function?

For Teachers 9th - 12th Standards
Your learners can approach this task algebraically, geometrically, or both. They analyze the building of a linear function given two points and expand the concrete approach to the abstract when they are asked to find the general form of...