K-5 Math Teaching Resources
Triangle Pack
With so many different types of triangles, it can be a challenge for young mathematicians to keep them all straight. Luckily this set of printable triangles is here to engage children in comparing and sorting triangles by their...
Alabama Learning Exchange
What You Know About the Bermuda Triangle?
Get lost in the classifications. Using the backdrop of the Bermuda Triangle, pupils classify it by angle and side measures. They also learn information about the triangle and its history.
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Searching for Angles and Lines
Students work to find and reinforce concepts related to lines and angles. They identify the characteristics of shapes that have one, two, and three dimensions. The students also work on definitions related to the geometry of shapes.
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Measuring Angles
Middle schoolers explore angle measure as they estimate angle measure and measure and draw angles of less than 360 degrees. The lesson emphasizes the use of estimation when measuring angles.
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Identify triangles
Students explore triangles. For this geometry lesson, students will create note cards with pictorial depictions of right, acute,obtuse, scalene, isosceles, equilateral and equiangular triangles. Students will verbally describe each type...
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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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Classifying Triangles
In this classifying triangles instructional activity, 10th graders solve 6 different problems related to the classification of triangles either by their angles or by their sides. First, they use a protractor and a ruler to draw triangles...
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Try These Angles! Exploring Angles
For this angles worksheet, students answer multiple choice questions about different types of angles in shapes. Students complete 10 questions.
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Geometry of Triangles - Week 6
In this geometry of triangles worksheet, students find the length of sides, are, and angle measurement of inscribed triangles, pentagons, and midpoint of a line. This two-page worksheet contains seven problems.
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Identifying Triangles
In this geometry worksheet, 10th graders identify a triangle as right, acute, or obtuse and identify the parts of a right triangle in a drop and drag game format. The one page interactive worksheet contains eight matching questions...
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Classify Angles Worksheet
In this angle classification worksheet, students solve 8 problems in which an angle measurement in degrees is analyzed. Students classify each angle as right, obtuse, or acute.
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Try These Angles! Exploring Angles: Post Test
In this angles instructional activity, students answer multiple choice questions about angles on their own and angles inside shapes. Students complete 10 multiple choice questions.
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Have You Got the Angle?: Pre Test
In this angles worksheet, students complete multiple choice questions about the shape and number of angles. Students complete 10 questions total.
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Measuring Angles
In this measuring angles worksheet, students complete a set of 10 multiple choice questions, clicking on a link for answers or to print the page. Worksheet is labeled "pretest."
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Classifying and Measuring Angles
Fifth graders explore the three types of angles. In this math lesson plan, 5th graders estimate the measure of angles and draw the angles using a protractor.
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Classify Angles
In this angle worksheet, 7th graders identify various angles. Students respond to 6 short answer questions identifying the different angles represented in each.
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Angles
In this angles learning exercise, students answer multiple choice questions about different types of angles and measurements of angles. Students complete 6 questions total.
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Obtuse Triangles
Fourth graders explore obtuse triangles. In this geometry lesson, 4th graders make obtuse triangles with paper and scissors. They determine how to find the center of their triangle.
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What Is Your Angle?
Students explore the concept of angles by interacting with numerous types of measurements. They create index cards with different angles. Then they pass the cards around to other students for comparison and measurement. They practice the...
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Angles and Triangles
Eighth graders examine Jewish symbols. In this Holocaust lesson, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
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Geometry
In this line and angles worksheet, students explore basic geometry vocabulary. They classify polygons. Students determine the area and perimeter of given shapes. They examine the parts of a circle, find volume and...
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Angle Measures
In this angles worksheet, students solve 20 problems pertaining to angle measurement and classification. This page is intended to be an online activity, but can be completed on paper.
Pennsylvania Department of Education
Kites: On the Right Track
Students use the Pythagorean theorem to discover the relationships between the lengths of sides of a right triangle. In this right triangles lesson plan, students use their reasoning and mathematical skills.
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Eleven Angle Addition Postulate and Adjacent Angle Problems
In this angles worksheet, students use the angle addition postulate, the idea of adjacent angles and the diagrams shown to answer eleven questions
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