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Assessment
Illustrative Mathematics

Coordinates of Equilateral Triangles

For Students 9th - 12th Standards
Can it be constructed? The task poses the question whether it is possible to have an equilateral triangle with its vertices located at integer coordinates. Pupils work with their knowledge of trigonometric ratios and the Pythagorean...
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Assessment
Concord Consortium

Shooting Arrows through a Hoop

For Students 9th - 12th Standards
The slope makes a difference. Given an equation of a circle and point, scholars determine the relationship of the slope of a line through the point and the number of intersections with the circle. After graphing the relationship, pupils...
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Performance
Radford University

Distance and Midpoint Formulas in a Mall

For Teachers 9th - 12th Standards
Go for a walk in the mall. Pupils find distances between stores on a diagram of a mall on Quadrant I. The scholars also determine the midpoint between a store and an entrance to the mall to then create their own paths and determine their...
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Performance
Radford University

Getting Around Millbrook

For Teachers 9th - 12th Standards
When is the distance formula not accurate? Referencing a map of the school, pairs determine the walking distance between two locations. Creating coordinates for each location, pupils determine the distance between the two points and...
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Lesson Plan
Curated OER

Fractal Fern

For Teachers 8th - 10th
Students identify the location of coordinate pairs of an image. In this geometry lesson plan, students perform transformation and identify the image and pre-image point of location. They apply the concept of fractals to complete the...
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Worksheet
Curated OER

Linear & Quadratic Functions: Solving Graphically

For Students 9th - 10th
In this linear and quadratic function worksheet, students examine and solve a system of equations. They graph each function on a coordinate plane. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Geometric Coordinates

For Students 7th - 8th
In this geometric coordinates activity, students solve and complete 3 different types of problems. First, they use the equations provided to complete the table on the right. Then, students plot the x- and y- coordinates on the graph to...
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Lesson Plan
Curated OER

Graphing Data

For Teachers 8th - 9th
Students graph lines in a coordinate plane. In this geometry lesson, students graph lines on a coordinate plane, and identify the slope. They calculate the volume, area and perimeters of the shapes created on a coordinate plane.
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Lesson Plan
Curated OER

Meet the Polygon Family

For Teachers 4th
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
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Lesson Plan
Curated OER

Egyptians as Engineers

For Teachers 4th - 6th
Student design and build Lego vehicles that drag given amount of weight up an incline. They show how this demonstrates Egyptian methods of pyramid construction.
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Worksheet
Curated OER

Graphing From Function Tables

For Students 6th - 7th
In this graphing from function tables worksheet, students graph given functions from a completed function table. This is a worksheet generator, the teacher can set the grid size for plotting points as well as whether or not to include a...
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Organizer
Curated OER

Shape Flashcards

For Students 1st
In this geometry worksheet, students will cut out and practice 12 shape flashcards. The shapes include the basic plane shapes plus star, heart, diamond, cube and cylinder.
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Worksheet
Curated OER

Midpoint of a Line Segment

For Students 10th
In this line segment instructional activity, 10th graders identify and solve 10 different problems that include determining the midpoint of a line segment in each. First, they determine the midpoint of a segment that connects two points....
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Worksheet
Curated OER

Areas and Perimeters

For Students 10th
In this geometry worksheet, 10th graders are given polygons on a coordinate plane. They calculate the area and perimeter of each shape, by counting the length of each square on the graph.
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Worksheet
Curated OER

Ordered Pairs Activity

For Students 10th
In this geometry worksheet, 10th graders match ordered pairs to the correct quadrant on a coordinate plane. They tell in which quadrants x and y values will be positive or negative. There are 19 questions.
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Worksheet
Curated OER

Area of Geometric Shapes

For Students 8th - 10th
In this geometry worksheet, students solve for the area of polygons. They are given shaded shapes on a coordinate plane and asked to calculate the area. There are 2 questions with an answer key.
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Organizer
Curated OER

Boots

For Students 5th
In this graphing practice worksheet, 5th graders plot squares on a graph with an x and y axis. Once students locate each square they must color a certain design in that box to create a larger picture.
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Worksheet
Curated OER

Regents Exam Questions: Distance

For Students 9th - 12th
For this distance worksheet, students solve 12 multiple choice, short answer, and graphing problems.  Students use the distance formula to find the distance between two points.
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Worksheet
Curated OER

Take Home Question – Chapter 4

For Students 9th - 12th
In this graphing linear equations worksheet, students solve 8 short answer and graphing problems. Students graph linear equations, find their points of intersection, find the slope of each line, identify the constructed quadrilateral, etc.
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Lesson Plan
Curated OER

Ellipses

For Teachers 9th - 12th
Students investigate the concept of ellipses and how they are used in a variety of geometry problems with a focus upon writing an equation given certain criteria. They draw an ellipse while developing the equation examining the x and y...
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Lesson Plan
Curated OER

Geometric Transformations

For Teachers 5th - 12th
Learners examine images and preimages of a mapping and identify isometry. They view images by M.C. Escher, observe teacher demonstrations, and create a translation image, a rotation image, and a dilation.
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Worksheet
Curated OER

Rotational Symmetry

For Students 10th
In this rotational symmetry worksheet, 10th graders identify and compare 10 different figures illustrated on the sheet. They write the order of rotational symmetry seen in each figure as compared to the others. They also define an object...
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Lesson Plan
Curated OER

Geometry House!

For Teachers 4th
Fourth graders use computer drawing tools to create a house of geometric shapes.
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Lesson Plan
Curated OER

Geometry: Mountain Rescue Mission

For Teachers 5th
Fifth graders improve their skills using map coordinates by playing a mountain rescue game. In pairs, they roll dice to determine their moves up a mountain. The team that reaches the rescue site in the shortest distance on the grid...

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