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Curated OER
Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence instructional activity, students cut out strips of paper and form a triangle. Students try to prove that their triangles are congruent using the...
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Angle Measure
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...
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Perimeter and Area of Triangles (B)
For this geometry worksheet, students calculate the perimeter and area for each of 4 triangles using the given measurements. They work with measurements that are labeled in centimeters.
Curated OER
Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence lesson, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems such as...
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Geometry, Measurement & Reasoning
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.
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Geometry, Lines and Angles
In this lines and angles worksheet, students answer 10 multiple choice questions about lines and angles.
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Polygons Multiple Choice
In this geometry worksheet, students identify the interior and exterior angles using the angle sum theorem. They identify and solve quadrilaterals using properties of quadrilaterals. There are 12 questions with an answer key.
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Translations, Reflections, and Rotations
Tenth graders have been introduced to the concepts of translation, reflection, and rotation, and have practiced translating, reflecting, and rotating two-dimensional objects on the coordinate plane.
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My Test Book: Geometry
For this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding geometry skills. Students may view the correct answers.
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Geometry Review Quiz
Students 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 them away...
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Surface Area and Volume of Similar Solids
Students explore similar figures. For this surface area and volume lesson, students identify the relationship between the surface area and volume of similar figures.
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How Tall Is It?
Students identify how tall a tree is. In this measurement activity, students use "luminometers" to measure a tree and complete a data sheet.
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Paper Bag Skits
Learners discover math measurements by creating a skit with classmates. In this geometry lesson plan, students utilize objects in a paper bag and index cards to create a short skit focusing on debate over the size of the objects....
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Measuring and Classifying Angles
In this measuring and classifying angles learning exercise, 6th graders select the type of angle (acute, right, obtuse, straight) for 6 drawings, then use a protractor to measure each angle.
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Nine Quadrilateral Problems Involving Angle Measures and Classification
In this quadrilaterals activity, 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.
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Classifying and Measuring Angles
In this classifying and measuring angles worksheet, 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...
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Quiz: Error in Measurement
In this measurement instructional activity, 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...
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The Pythagorean Theorem, the Distance Formula, and Slope
Students explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem activity, students derive the distance formula and slope of a line from the Pythagorean Theorem.
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Measuring Length: Practice A
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...
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A Sphere and Its Net
Pupils identify and sketch the nets for sphere. In this geometry lesson, students differentiate between two and three dimensional shapes. They find the surface area of each sphere.
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Pythagorean Theorem: Triangles and Their Sides
Students investigate triangles and their relationship to each other. In this geometry instructional activity, students solve right triangles using the properties of the Pythagorean Theorem. They differentiate between right, acute,...
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Camping with a Triangular Prism and Its Net
Students differentiate triangular prisms from other prisms using nets. In this geometry lesson, students define the properties of a triangular prism and its symmetry. They build a triangular prism moving lines around.
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Fractions, Decimals, and Percents
Students connect different mathematical concepts. They create a circle graph. Students then create a question in which they collect data in order to convert fractions to decimals and decimals to percents.
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Quiz: Area of Sector and Segment
In this area of sector and segment worksheet, students find the area of a shaded sector. Given the central angle of a segment and the radius, students identify the area of a sector. This one-page worksheet contains ten problems.