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Lesson Plan
Curated OER

Which Triangles are Right

For Teachers 9th - 10th
Learners apply properties of right triangles to solve problems. In this geometry activity, students identify axioms and theorems using examples.
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Lesson Plan
Curated OER

An Introduction To Solving And Graphing Inequalities

For Teachers 10th - 11th
Students graph inequalities and solve the equations. In this algebra lesson plan, students graph their solutions on a number line and create an inequality for a word problem.
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Worksheet
Curated OER

Triangle Trigonometry IB Packet

For Students 11th - 12th
In this trigonometry worksheet, students use triangle trignometry to solve problems in order to find the missing length, angle, or area of the triangle. The one page worksheet contains five  questions. Answers are included.
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Interactive
Curated OER

Area of a Trapezoid

For Students 9th - 12th
In this online math worksheet, students practice finding the area of a trapezoid, given the height and length, This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A...
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Interactive
Curated OER

Geometry Worksheets-volume of Sphere

For Students 10th
In this geometry activity, 10th graders determine the volume of a sphere, given the diameter or the radius. The one page interactive activity contains eight questions. Hints, clues, and answers are provided.
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Interactive
Curated OER

Geometry Worksheets-Volume of Prisms and Pyramids

For Students 10th
In this geometry worksheet, 10th graders determine the volume of rectangular and triangular prisms and pyramids. The one page interactive worksheet contains eleven questions. Answers and hints are included. 
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Worksheet
Curated OER

EOC Review G

For Students 9th - 11th
In this end of course review, students factor expressions, interpret statistic problems, and identify the maximum and minimum of equations. This two-page worksheet contains 5 multi-step problems.
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Lesson Plan
Curated OER

Strike a Pose: Modeling in the Real World (There's Nothing to It!)

For Teachers 8th - 12th Standards
Adjust this lesson to fit either beginning or more advanced learners. Build a scatter plot, determine appropriate model (linear, quadratic, exponential), and then extend to evaluate the model with residuals. This problem uses real-world...
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Unit Plan
Curated OER

Geometry In Space

For Teachers 9th - 11th
Students Fulfill the requirements of Texas Standards as it relates to math and science. In this circle lesson, students identify the arcs and angles of a circle as it relates to Pi. They solve real life scenarios using space as an example.
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Worksheet
Curated OER

Reviewing Azimuth

For Students 8th - 10th
Combine angles and the compass rose in this labelling worksheet. Geographers begin by labeling the cardinal directions on a compass template, along with the degrees corresponding to each. They then add the azimuthal directions, labeling...
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Lesson Plan
Curated OER

Return Intervals & Reasoning from Tabular Data

For Teachers 11th - 12th
Students calculate derivatives from a set of data. In this calculus lesson, students estimate the limit at infinity. They complete a Return Interval handout at the end of the lesson.
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Lesson Plan
Curated OER

Math Today - World Population Milestones

For Teachers 9th - 12th Standards
Students use the data from USA TODAY Snapshot "World population milestones" to explore and explain the trends in the world population.
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Worksheet
Curated OER

System of Equations: Elimination Method Using Addition and Subtraction

For Students 8th - 11th Standards
In this system of equations worksheet, learners decide if the addition, subtraction, or substitution method works best for 15 problems of two equations and two unknowns and then use the preferred method to solve the system. Theys are...
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Illustrative Mathematics

Combined Fuel Efficiency

For Teachers 8th - 11th Standards
Practice simplifying complex fractions and long division of polynomials with this brief exercise. These four questions make a challenging warm-up activity or a short, but comprehensive, follow-up after a detailed lesson on algebraic...
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Worksheet
Curated OER

Linear Programming

For Students 11th
In this linear programming worksheet, 11th graders solve and complete 4 different word problems that include various applications of linear programming. First, they find the maximum earning of a situation given the time worked. Then,...
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Lesson Plan
Curated OER

Watershed Investigations

For Teachers 9th - 12th
Students explore the components of a watershed and the factors that affect it. They read a topographical map and use geometry to determine the area of a watershed. Students estimate the volume of a body of water and perform runoff...
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Interactive
Curated OER

Coordinate Planes - Area of Triangle

For Students 9th - 12th
In this online math worksheet, students find the area of a variety of triangles given the measurements of their vertices. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
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Worksheet
Curated OER

Lengths, Areas and Shapes - Week 9

For Students 12th - Higher Ed
In this lengths, areas and shapes worksheet, learners explore overlapping and non-overlapping patterns. They identify the number of objects in a pattern, determine how the pattern may be folded to create additional patterns, and...
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Lesson Plan
Curated OER

Translations

For Teachers 9th - 10th
Students perform translations on different polygons. In this geometry lesson, students create figures that will be used as an assessment to represent transformation. They perform hands on creation and relate it to the real world.
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Lesson Plan
Curated OER

Finding Areas of Plane Figures

For Teachers 9th - 10th
Students compute areas of squares, rectangles, and so on and summarize the formulas for computing areas and explain how the formulas are derived and understand the reasoning behind them.
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Worksheet
Curated OER

Area of Sector and Segment

For Students 10th
In this area of sector and segment instructional activity, 10th graders solve and determine the area of 10 different illustrations. First, they determine the area of a shaded sector given the measurements. Then, students determine the...
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Worksheet
Curated OER

Quiz: Area of Sector and Segment

For Students 10th - 12th
In this area of sector and segment worksheet, learners find the area of a shaded sector. Given the central angle of a segment and the radius, students identify the area of a sector. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Transformations Using Matrices

For Students 10th
In this transformations worksheet, 10th graders solve and complete 16 different types of problems. First, they graph the image of the figure using the transformation given. Then, students find the coordinates of the vertices of each...
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Lesson Plan
Curated OER

Geometry

For Teachers 9th - 11th
Students are introduced to the basics of Geometry. Using cutout shapes, they identify whether they are polygons by using the properties of polygons. They practice drawing shapes they are going to be using on an everyday basis and...

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