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Curated OER
Mirror Symmetry/Mirror Images
Students explore lines of symmetry in geometric shapes. In this geometry lesson, students construct angles using mirrors and rubberbands, then predict the number of images that will appear in the reflection. Students reproduce lines of...
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Pythagorean Theorem
In this geometry worksheet, 10th graders solve for missing sides and angles of a triangle. They use the pythagorean theorem to solve for the unknown in a right triangle. There are 5 questions on this worksheet.
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Trigonometric Ratios
In this trigonometric ratios learning exercise, students determine the value of trigonometric ratios. They find the area of triangles, determine the length of one side, and compute the degrees in an angle. This five-page...
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Conditional Statements
In this geometry worksheet, learners read given sentences and identify the hypothesis and the conclusion of the conditional statements. There are 21 questions.
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Area
In this area worksheet, students solve and complete 20 different problems that include the measurement of various figures. First, they determine the area of each of the triangles, parallelograms and trapezoids. Then, students determine...
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The Pythagorean Theorem
In this geometry worksheet, 10th graders answer questions about right triangles by identifying the 3 sides of the triangle. They analyze the different shapes of polygons and relate them to right triangles to find the sides using the...
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New York State Testing Program, Mathematics Book 1 Grade 8
In this 8th grade math test, 8th graders complete 27 multiple choice problems. Problems cover a wide variety of concepts from geometry to linear equations and computation with exponents. The test is from 2005.
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Proving Quadrilaterals
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
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The Pythagorean Theorem
For this geometry worksheet, 10th graders use the Pythagorean Theorem to determine the length of the third side of a right triangle given the length of any two sides. The three page worksheet contains a combination of seventeen...
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Triangle Inequalities Homework
In this geometry instructional activity, students solve problems based on the triangle inequality theorem(s) in which determine if the given lengths can form a triangle, given two sides of a triangle determine the range of the third...
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Mixed Right Triangles
In this geometry activity, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive activity contains ten questions. Answers and hints are included.
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Perfectly Puzzling Pentominoes
Second graders utilize manipulatives (pentominoes) to demonstrate knowledge of: lines of symmetry, slides, reflections (flips), rotations (turns), area, and perimeter. This lesson plan gives students a meaningful way to practice these...
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The Castle
Students build a castle to Ravi's design using the cubes. Students then make an original model of a solid object from diagrams which show views from the top, front, side and back. Students describe the reflection of rotational symmetry...
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Classifying Triangles by the Length of the Sides Using Cabri Jr.
Learners follow detailed directions to create triangles on their graphing calculator. In this properties of triangles lesson, they will create triangles on their calculators using the Cabri Jr. application. They then identify three...
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Properties of Quadrilaterals
For this properties of quadrilaterals worksheet, students use the properties of quadrilaterals to find the perimeter, angle measurement or length of a missing side of a given polygon. Examples and explanations of the properties are...
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Mr. Lincoln's Hat
Bring out the inner artist with this Abraham Lincoln lesson plan. Elementary students work on a home project creating a hat similar to Abraham Lincoln's hat. They will use geometry and measurement to create the scale of the hat, then...
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Student D
Students are being evaluated on their math skills. For this algebra lesson, students review basic math skills and are being reviewed for leaning skills that may enhance or inhibit their learning skills. They are scored based on a special...
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The Tangent Ratio
Students calculate the tangent ratio given a right triangle. In this trigonometry lesson, students use a right triangle and the Pythagorean Theorem to solve problems.
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Four Estimating the Area of Small Objects Problems
In this estimating area worksheet, students work with their families to draw four small objects found around their house and estimate the area of each object.
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Solar System Search
Students research topics related to space and the planets using the Internet. They explore various websites, construct scale models of the solar system, and create a travel brochure using HyperStudio computer software.
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Navigating by the Numbers
Students observe how math is important in navigation and engineering. They study how surveyors use math and science to calcute, count, measure, label, and indicate distances on a map. They estimate specific distances.
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Introduction to Fractals: Geometric Fractals
Students study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Students complete worksheets based on Geometric Fractals.
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Flip's Flag
Fifth graders apply the symmetry and angle properties of polygons and use fractions to express the relationships between the areas of rectangles, squares, and triangles. They analyze various country flags and develop mathematical...
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Properties Of Building Materials
Young scholars investigate the concept of building materials and how they are used to create different things. They focus upon the availability, cost, flexibility, and strength of different building materials. This is done by taking part...