Curated OER
Language Arts: Prince Harry - A Bullet Magnet?
Students research Prince Harry's upcoming deployment to Iraq as a British soldier. They write reaction papers expressing their opinions about it. Students choose from two points of view - should he be deployed, or will his deployment...
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Informative Essay Writing
High schoolers start by drawing Mr. Essay Man, who is supposed to illustrate the different parts of an essay. After discussing what each component should contain, writers start their essay, guided by the teacher and class discussion....
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Product of Chord Segments
Young scholars creating chords intersection using circles. In this geometry lesson, students create visuals of chords ad their properties using Cabri technology. They measure the chords and explore the relationship among chords.
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Exercise 23--the Regular Pentagon on a Given Side
Students examine and study how to recognize the characteristics of a regular pentagon and demonstrate how to construct one. They become aware of associating a regular pentagon to its term of a double map and practice the concept of line...
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Exploring Geometric Constructions of Parabolas
Students are introduced to the construction geometrically of parabolas. Using a software program, they identify lines, segments and midpoints. They label the parabolas properties and characteristics and use a formula to determine the...
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Geometry of Triangles Using a Protractor
Seventh graders use a protractor to measure angles and solve a problem involving distance. For this measuring angles with a protractor lesson plan, 7th graders calculate the distance of a line on a diagram by using a protractor to...
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Optical Illusion
Students practice creating optical illusions as well as discerning how perception of information may change its characteristics. They distinguish between an equilateral triangle, endpoints, vertices's, and segments of triangles. The...
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Why do Stars Rise in the East?
In this stars rise in the east worksheet, learners 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 points in...
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Geometry and Geoboard
Sixth graders use geoboards and dot paper to experiment with geometric concepts. In this geometry lesson plan, 6th graders complete four activities using geoboards or dot paper including naming points on a coordinate plan and finding the...
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Distance Formula
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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Midpoint
For this math worksheet, students find the midpoint of lines. They first mark and identify the ordered pair of the midpoint of drawn lines. Students use the midpoint formula to find the midpoints of twelve lines.
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Circles and Angles
Students identify tangents, chords and secants. In this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
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Quadratic Equations and Parabolas
Learners graph and solve quadratic equations. In this functions instructional activity, students analyze a quadratic equation using three points on a curve to define the graph of a quadratic function. They find the vertex and intercepts...
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NUMB3RS Activity: Regular Ploygon Centroids
Students investigate geo-profiling. In this secondary mathematics activity, students use geo-profiling to determine the most probable location of a criminal. Students find the centroid of a polygon where the vertices...
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Pythagorean Theorem
For this Pythagorean theorem worksheet, 9th graders solve and complete 8 different types of problems. First, they go to the given website and copy the picture shown. Then, students draw a right triangle using the straight line between...
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Relationship between tangent, secant side length
In this calculus worksheet, students calculate the relationship between a line of tangency and a secant side length. They are given the formulas to solve their problems. There are 9 problems.
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Circles
Tenth graders explore and define the radius and diameter of a circle. In this geometry lesson, 10th graders calculate the circumference and area of a circle using real world objects and shapes. They discuss chords and lines tangent...
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Distance on a coordinate plane
In this geometry activity, 10th graders solve problems in which they find the distance between two points on a coordinate plane. The two page activity contains a combination of eleven multiple choice and free response...
Houghton Mifflin Harcourt
Unit 6 Math Vocabulary Cards (Grade 5)
Acute angles, nets, and vertices are only a few terms that a set of flash cards includes. Among the 108 cards, two types are available; word cards printed in bold-faced lettering, and corresponding definition cards equipped with an...
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Graphs
For this graphing worksheet, 9th graders read one page of graphing examples and complete 8 exercise problems. Each problem involves graphing and coordinates.
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Constructing Perpendicular Bisectors
Tenth graders investigate parallel lines and the angles formed when cut by a transversal. For this geometry lesson, 10th graders construct perpendicular lines and discuss midpoint, segments and perpendicular bisectors. They relate...
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Betweenness and the Sum of Parts
High schoolers differentiate lines and angles using betweenness in this geometry lesson. They differentiate angles and lines using Cabri Jr. and analyze the data and make conjecture.
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Alternate Interior Angles
Label angles of parallel lines to analyze the angles created by a transversal and two parallel lines. They graph their lines and observe the similarity and difference in the angles.
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Reflection: Student Worksheet
In this math worksheet, learners will work independently to trace a stencil on an x-axis. Then students will follow a procedure to trace the image on the horizontal line of reflection. Learners will observe that reflections and rotations...