Lesson Plan
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Study Buddies: Classifying Triangles

For Teachers 4th - 5th
In this math worksheet, students analyze an informative chart about the measurement and angles of equilateral, isosceles and scalene triangles. Students then answer 5 questions about classifying triangles.
Lesson Plan
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Geometry of Exploration: Eyes Over Mars

For Teachers 4th - 8th
Pupils research how engineers and scientists generate linear and angular measurements with geometry to survey the Earth and Mars. They assess how geometric shapes affect navigation. A surveyor comes to the classroom and explains how he...
Worksheet
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All Angles (A)

For Students 7th - 10th
In this measuring angles review worksheet, students use their math skills to solve 6 problems that require them to estimate and measure each of the 6 angles.
Worksheet
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Congruence of Triangles

For Students 10th
In this congruence of triangles worksheet, 10th graders solve 10 different problems that include determining the congruence of various triangles. First, they determine the length of two sides of a congruent triangle. Then, students...
Worksheet
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Numerical Practice with Big Circles

For Students 10th - 11th
In this numerical practice worksheet, students determine the measurement of given angles. Using trigonometry ratios, they find the measurement of ten angles on this one-page worksheet.
Lesson Plan
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Triangle Side Lengths and Angles Measures

For Teachers 9th - 10th
Students identify missing sides and angles. In this geometry lesson, students use triangular theorems to identify the missing sides. They use the Pythagorean Theorem to find the different ratios of each side.
Worksheet
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Indirect Measurement

For Students 8th - 9th
In this geometry learning exercise, students differentiate between direct and indirect measurements. They create a table with their findings. There are 9 questions.
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Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Learners complete worksheets involving rotational symmetry. In this geometry lesson, students complete worksheets to identify rotational symmetry and rotations. They compare and contrast rotated figures. Learners examine the relationship...
Lesson Plan
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Shape and Space In Geometry

For Teachers 6th - 8th
Middle schoolers read about the background of geometry in general to tap prior knowledge of the fundamentals. Then they use an application activity of measuring that is online and interactive for the student.
Lesson Plan
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Measurement of a Central Angle

For Teachers 9th - 11th
Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.
Lesson Plan
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Arc Measurement Based on The Measurement of a Central Angle

For Teachers 9th - 10th
Students define keywords that are important to solve problems. In this geometry lesson, students find the arc length and angle of a circle. They convert between radians and degrees.
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Intersecting Lines and Segments of Measures

For Teachers 8th - 12th Standards
Mathematicians measure intersecting lines-and circles, and create chords. In this geometry lesson, students explore interrior and exterior chords created by tangent and secant lines. These segments can be inside the circleor outside the...
Lesson Plan
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Distance Formula

For Teachers 7th - 9th
Students calculate the distance formula. In this geometry lesson, students find the distance between two points on a coordinate plane. They identify the four different quadrants.
Lesson Plan
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Geometry, Measurement & Reasoning

For Teachers 9th - 11th
Students construct two-column proofs. In this geometry lesson, students use deductive reasoning and geometric properties to justify given geometric statements. Students compare and contrast proofs.
Interactive
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Angle Measure

For Students 10th
In this geometry worksheet, 10th graders determine the measures of supplementary, complimentary, and vertical angles.  The worksheet also address they proper use of vocabulary when identify angle pairs.  The one page worksheet...
Lesson Plan
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Geometry Review Quiz

For Teachers 6th - 8th
Young scholars conduct a review that is done right before having a geometry quiz. They cover major topics that are part of the assessment. They use review cards as notes to pass to one another to reinforce the concepts before putting...
Lesson Plan
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Quadrilateral Bunny

For Teachers 9th - 11th
Students identify the properties representing quadrilateral. In this geometry lesson, students differentiate between special and regular quadrilaterals. They discuss and demonstrate hierarchy of quadrilaterals.
Interactive
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My Test Book: Geometry

For Students 3rd - 4th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.
Worksheet
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Measuring and Classifying Angles

For Students 6th
In this measuring and classifying angles worksheet, 6th graders select the type of angle (acute, right, obtuse, straight) for 6 drawings, then use a protractor to measure each angle.
Worksheet
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Classifying and Measuring Angles

For Students 10th
In this classifying and measuring angles activity, 10th graders solve and complete the measures of various types of angles. They determine whether each angle drawn is a straight, right, obtuse, acute, or reflex angle. Then, students...
Worksheet
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Quiz: Error in Measurement

For Students Higher Ed
In this measurement worksheet, students are presented with the measurements of two items. They compute the upper and lower limits of the range of tolerance for the measurements. Students find the absolute error and percent of error for...
Worksheet
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Nine Quadrilateral Problems Involving Angle Measures and Classification

For Students 9th - 11th
In this quadrilaterals worksheet, students calculate the measure of angles in five parallelograms, name a quadrilateral, and find values of given variables in three diagrams.  The solutions are provided.
Lesson Plan
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Measuring Length: Practice A

For Teachers 9th
Ninth graders investigate the segment addition postulate.  In this geometry lesson, 9th graders explore the difference between equal and congruent in relation to segment length.  The lesson includes an algebra application and a...
Lesson Plan
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Graph Paper Patterns

For Teachers 3rd - 8th
Young artists divide a piece of graph paper into sections using rectangles, squares, and triangles. They then fill each section with patterns of shape and color. Elementary graders describe how their patterns are organized. Secondary...

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