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Curated OER
Investigation - Can You Guess My Favorite Color?
Second graders explore a bag of mixed pattern blocks. As a class they discuss different attributes of these shapes. In this math instructional activity, 2nd graders search to find shapes that are similar by placing shapes on top of one...
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These Maps are for the Birds
Students identify and study New York State Breeding Bird Atlas maps to learn where different bird species nest and how their distributions have changed over time. They also identify how maps serve as representations of a geographic...
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Circles and Angles
Students identify tangents, chords and secants. For this geometry lesson, students graph circles and identify angles created by secant lines, tangent lines and chords.
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NUMB3RS Activity: Settling The Score
Learn how to investigate matrix multiplication. In this secondary mathematics lesson, high schoolers examine matrix multiplication in the context of a Homes-Rahe stress test which is similar to the process used to score figure...
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Invertebrate Chordates
Most chordates are easy to identify because of the specific classification criteria of their phylum. But what about tunicates? Young scientists read a short explanation about why tunicates, or sea squirts, are considered to be members of...
Helping with Math
Angles: Supplementary, Corresponding & Alternate (2 of 2)
In the second of two similar worksheets, anglers compute missing angles when given an alternate, supplementary, or complementary value. There are six problems to solve, but each of them requires two to four solutions. This is a nice...
Helping with Math
Angles: Supplementary, Corresponding & Alternate (1 of 2)
In the first of two similar worksheets, geometers compute two to four unknown angles when given an alternate, supplementary, or complementary value. There are six multliple-step problems to solve. This is a nice challenge for your...
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Coordinates
In this geometry worksheet, 10th graders are given points on a coordinate plane, and they must figure out what the x and y values are. There are 6 graphing question.
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Investigation: Reasoning and Proof
Students explore animal characteristics by creating illustrations. In this animal identification lesson plan, students read a list of animal descriptions which they draw using crayons or colored pencils. Students view their drawings and...
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Human Machine
Students explore the human body by conducting an exercise in class. In this human anatomy instructional activity, students view a diagram of the human body and identify the specific bones and joints that allow us to perform specific...
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Angles ~ Right Angles
Have your class review how to identify right angles. Learners identify right angles, and then write the number of angles found in each shape.
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Quilt Geometry
Seventh graders explore lines of symmetry, congruent polygons and patterns. They listen to "The Seasons Sewn," observe a PowerPoint presentation, and identify congruent polygons and visual patterns. Through an internet activity, 7th...
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Review of Personification and Alliteration
Pupils review personification and alliteration. In this literary devices lesson plan, students use personification and alliteration in a sentence. Pupils draw a picture reflecting personification.
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Idioms in Everyday Language
Students create an iPhoto book exhibiting a variety of idioms that describe feelings. They take photos using a digital camera that show students exhibiting the feelings explained by the idioms.
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Connecting With Coordinates
Play a coordinates game to encourage collaborative learning and grid use! Learners plot points on grids and play a game that challenges them to locate a specific point on a coordinate grid by using horizontal and vertical movements.
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Rosencrantz and Guildenstern Are Dead: Concept Analysis
Make sure you are well-informed before embarking on a study of Rosencrantz and Guildenstern Are Dead. This resource includes an analysis of the text that a teacher can use to prepare a unit of study. It covers plot elements, themes,...
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How Tall Is That Flag Pole?
Middle schoolers examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Classifying Transformations
Students analyze different polygons by shapes and sides. In this geometry lesson, students differentiate between similar and congruent polygons. They name the different polygons based on the number of sides.
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Investigating Scale Factors with the Geometer's Sketchpad
Young scholars use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They...
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Mirror Tool
Students define properties of polygons. In this geometry lesson, students differentiate between similar and congruent polygons. They identify and use the properties of solids to solve problems.
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Why can't We Use SSA to Prove Triangles Congruent?
Students investigate triangles and congruences. For this geometry lesson, students differentiate between inductive and deductive reasoning. They differentiate between similar and congruent triangles.
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Teaching the Bell Tetrahedral Kite
Students complete readings on kite making and kite flying. They analyze how the parts of a system interconnect and influence each other. Students identifies and uses color and form in a 3D artwork.
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Triangles in Architecture
Students find triangles in the real world. In this geometry lesson, students analyze and identify properties of two and three-dimensional objects. They differentiate between similarity and congruence.
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Exploring Arrangements of 2, 3, 4, and 5 Cubes
Students use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....