Curated OER
Triangle Inequality
Students discover that the sum of the lengths of any two sides of a triangle must be greater than the third side. They are shown how a triangle is formed using three strips such as that the triangle is seen inside the strips.
Curated OER
Sine, Cosine, and Tangent Ratios
In this ratios learning exercise, 11th graders solve and complete 8 various types of problems. First, they read each problems and draw a sketch for each. Then, students write a trigonometric ratio for each problem and round any decimal...
Curated OER
Making Field Journals
Young scholars follow a bookmaking format to create a book and use it as a garden journal. In this science journal lesson, students follow book making directions to create a garden and science journal.
Curated OER
Remembering the Forgotten War
Ninth graders examine the major events and significance of the Korean War, including U.S. involvement in the war. In this World History activity, 9th graders read primary source materials to understand the political, social,...
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Volleyball Pre-Assessment Quiz
A quick pre-assessment before you class starts the Volleyball unit. There are some matching questions, a couple of fill-in-the-blanks, and a couple of short-answer questions covering basic knowledge of volleyball. An answer sheet is...
Curated OER
Review of our Presidents from the Progressive Era to Cold War
Covering the main events of the Cold War, this (mistitled) presentation includes photographs, political cartoons, and amusing graphics to illustrate its points. The information on the slides is helpful for an overview of the Cold War,...
Curated OER
Typical Numeric Questions for Physics I - Magnetism
Most of these questions are actually not numeric in nature as the title indicates, but they are pertinent to a high school physics curriculum covering magnetic fields. Young scientists must be adept at handling the right hand rule in...
Curated OER
Common Transition Words: Grades 4 - 12
A practical guide to transition words and phrases, this handout could be a useful addition to any pupil's notebook or binder. Transition words are placed in a chart and labeled by type. For example, words that show comparison are grouped...
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Linear and Quadratic Functions
In this algebra worksheet, 11th graders solve quadratic functions using the quadratic formula. They take the square roots of both side of each equation then graph both the linear and quadratic functions. There are a total of 84 problems...
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Review of Linear Equations
For this algebra worksheet, students solve linear equations and rewrite them in the form y=mx + b. They graph the equations using the slope and y-intercept. There are 22 questions with an answer key.
Curated OER
Combining Map and Compass
Middle schoolers practice using the map and compass to find a location. In this geography lesson series, students identify basic requirements needed when traveling in the wilderness. They plan a healthy menu for a backpacking trip.
Curated OER
Shapes Are Everywhere
Third graders use various shapes to identify polygons and understand symmetry. They explore pattern blocks noticing their similarities and differences, then share with other team members. They draw 3 polygons in their journals and...
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Why do Stars Rise in the East?
In this stars rise in the east instructional activity, students use geometry to show how the Earth rotates from west to east and why celestial bodies appear to rise in the east and set in the west. Students draw a figure and label given...
Curated OER
Application of Properties of Quadrilaterals in the Coordinate Plane
Students apply definitions and theorems to verify special quadrilaterals
using coordinate geometry. They apply the slope formula, the midpoint
formula, and the distance formula to justify that a given quadrilateral is a
parallelogram....
Curated OER
Solve Linear Systems of Equations: Graphing, Substitution, and Elimination
In this system of linear equations worksheet, high schoolers solve by using graphing, substitution, and elimination. There are 44 problems.
Curated OER
SAT Problem Solving
In this geometry worksheet, 10th graders practice taking math questions that are on the SAT. The questions deal with a variety of different math. There are 10 questions with an answer key.
Curated OER
What Shape am I?
Learners analyze characteristics of geometric shapes. They find shapes in their environment, and communicate why it is like the shape of their choice and not like another shape.
Curated OER
Why Is North Korea Going At It Alone?
High schoolers examine the division of North and South Korea. They identify the ideological differences and the tensions between the two countries. They discuss the threat of nuclear weapons as well.
Curated OER
What Shape Am I?
First graders analyze characteristics of geometric shapes. They identify, describe, and create simple geometric figures. They analyze characteristics of geometric shapes and determine the defining attributes of a circle,...
Curated OER
Similar Triangles and Proportions
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this activity, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
Curated OER
Longitude-Dava Sobel
In this longitude worksheet, high schoolers read about how to determine the longitude of location while at sea and they answer 5 questions about calculating longitude.
Curated OER
Solving Rational Equations
In this algebra worksheet, 11th graders solve rational expressions, by combining the denominators and making them common. They solve word problems using algebra. There are 10 questions with an answer key.
Curated OER
Solving Fractional Equations
In this algebra worksheet, 11th graders solve irrational functions by identifying the variables and make sure the equation is a true statement. They solve word problems also. There are 12 questions with an answer key.
Alabama Learning Exchange
Creating a Reflection
Investigate geometric reflections in this geometry lesson. Create geometric reflections that show the reflection across the x and y axis of a coordinate graph. Learners watch a teacher demonstration before proceeding on their own. They...
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