Curated OER
SAS Similarity Theorem
Students identify and use the similarity theorem. In this geometry lesson, students differentiate between congruent and similar triangles. They solve problems using the computer modifying shapes by dragging.
Curated OER
Median of a Trapezoid
Students find the median of trapezoids and other polygons. In this geometry activity, students identify important properties of trapezoids. They create trapezoids and polygons using Cabri software.
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The Right Angle
In this geometry learning exercise, 10th graders determine the answer to a vocabulary questions and then follow the give rules to place the answer in the appropriate place on the crossword grid. The one page learning exercise contains...
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Corresponding Sides and Angles of Similar Triangles
Students differentiate between corresponding sides ad angles of two triangles. In this geometry lesson, students identify the differences as well as the similarities between two triangles. They differentiate between similar and...
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Distance in Coordinate Geometry
Students analyze distance and graphing. In this geometry lesson, students work problems on a coordinate grid calculating the distance. They apply the Pythagorean Theorem to their data and answer.
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Creating Fractals
Students solve problems using fractals. In this geometry lesson, students identify properties of fractals. They find patterns in their surroundings and relate it to the real world and math.
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Reflection
Students examine how some transformations, such as reflections and rotations, do not change the figure itself, only its position or orientation.
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Exploring Geometric Mean
Students solve problems using geometric means. In this geometry instructional activity, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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Exploring Geometric Mean
Student identify the solution using geometric mean. In this geometry lesson, students create right triangles where the altitude of the triangle is the side containing the right angle. They modify shapes using Cabri software and observe...
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Inscribed Angles
Students calculate the inscribed angle of a triangle. In this geometry lesson, students identify the angle created by intersection of a triangle and a circle. They see the relationship between the arc and the angle.
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Math with Maps and Globes
Students round out their math skills with these ‘round the world' ideas. In this math and geography activity, students try out time zone sticks, a polar race, and tic-tac-globe to engage them in learning more about globes and the...
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Finding the Area of a Parallelogram with Translations
Students calculate the area of a parallelogram. In this geometry lesson plan, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
Curated OER
Finding the Area of a Parallelogram with Translations
Young scholars calculate the area of parallelograms. In this geometry lesson plan, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
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Globe Skills Lesson 7 The Transcontinental Railroad
Students explore the Transcontinental Railroad. In this geography skills lesson, students use map skills in order to locate legs of the Transcontinental Railroad on globes.
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Science 911: Car Crash Testing
Students explore, experiment and analyze the concept of using dummies in a car crash test. They collaborate in a series of tests designed to simulate what really happens in a two-car collision. Each student incorporates probability,...
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Isosceles Triangles
Students identify the properties of an isosceles triangle. In this geometry lesson, students find the midpoint, median and angle bisector of a triangle. They construct angle bisectors and measure missing angles.
Starfall
Oo is for Octopus
Learners learn to print the upper and lower case DeNelian letter Oo in this language arts worksheet. Learners trace several examples before forming their own letters in the unlined boxes. Also included is a Connect-the-Dot and counting...
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Lengths, Areas and Shapes - Week 9
In this lengths, areas and shapes worksheet, students 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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Conics and Graphing
In this algebra worksheet, students solve equations by graphing an ellipse, circle and hyperbola. They match equations to graphs and define each type of function. There are 20 questions total.
Starfall
Aa is for Apple
In this literacy activity, learners practice writing the letter a and color in the pictures related to it. Then students write a sentence.
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Aa is for Apple
For this printing worksheet, students form 11 upper and lowercase letter A's. Students color in pictures of words beginning with the letter and write two rows of A's on their own.
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Listening for Tone
Students read and listen to various poems as they are read by different readers using different tones. They read "Jabberwocky" and in groups, determine what they think the nonsense words in the poem mean. The groups compare thier ideas...
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Ee is for Eggs
Students learn to write upper and lower case DeNelian letters Ee for this printing practice instructional activity. Students trace several examples, write letters, color, and count eggs.
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Ee is for Egg
In this literacy worksheet, learners use the letter E in various contexts to increase letter recognition and spelling skills for related words.