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Curated OER
Angle Land and Angle Aerobics
Sixth graders investigate different types of angles. In this geometry lesson, 6th graders use a protractor to identify acute, obtuse, and straight angles.
Curated OER
Angles in Art
Students utilize their handheld and the Angles program to create a non-objective artwork. Images created by famous artists who have utilized angles in their art work are examined.
National Security Agency
Classifying Triangles
Building on young mathematicians' prior knowledge of three-sided shapes, this lesson plan series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
Curated OER
Independent Practice 2: Triangles
In this triangle worksheet, middle schoolers identify given triangles according to their sides and angles. Afterward, students draw triangles to match given descriptions. This one-page worksheet contains 15 problems.
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Try These Angles! Exploring Angles: Post Test
In this angles 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.
Curated OER
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...
Curated OER
Angle Measures
In this angles instructional activity, 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.
Curated OER
Angles in Art Lesson
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
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Protractor #4
In this angles worksheet, students measure and label angles as either acute, right, obtuse or straight. A reference web site is given for additional activities.
Houghton Mifflin Harcourt
Introducing the Concept: Triangles and Quadrilaterals
Guide your geometers through the process of constructing polygons. They learn how to draw triangles, squares, parallelograms, rectangles, rhombuses, and trapezoids with specified angles using a protractor and a ruler. The lesson plan...
Curated OER
Symmetry and Geometric Shapes on Campus
Build on your learners' previous knowledge of geometric shapes and symmetrical figures. Then set them out to take photos of geometric shapes on campus. They assess whether the photos contain symmetry or not.
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Measuring Angles
In this angles worksheet, students use a protractor and measure a set of 5 angles, checking the correct measurements and labeling as acute, right, obtuse or straight.
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The Greedy Triangle-Intro to Geometric Shapes
In this geometry lesson, learners read The Greedy Triangle and use geoboards to construct geometric shapes. They identify the number of sides and angles each shape has.
Math Mammoth
Triangles
A six-page packet walks, or bends learners through angles that combine to create triangles. Definitions are given for right triangles, obtuse and acute triangles. They draw angles according to directions, using a protractor to meet the...
Curated OER
Picking Pythagoras
Students discover that side measurement is used in determining angle classification of a triangle. By squaring sides, they predict whether triangles be right, obtuse, or acute. They prove the Pythagorean Theorem and use it to solve...
Curated OER
Identifying Triangles
Sixth graders identify and define a variety of triangles. In this identification of triangles lesson, 6th graders draw examples of each triangle on a whiteboard, then complete a worksheet.
Curated OER
Lesson Plans that Measure Up
You can use creative ways to teach angle lessons that will meet the needs of all students.
Curated OER
List of Geometry Terms
In this angle vocabulary card learning exercise set, students identify the vocabulary associated with angles such as: ray, vertex, acute angle, segment bisector, and corresponding angles. They identify 23 terms but there are no questions...
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Triangles Word Search
In this word search worksheet, students locate 7 types of triangles. Triangles include isosceles, acute, equilateral, right, and obtuse.
Curated OER
Geometry Wordsearch
For this mathematical related worksheet, students explore and analyze thirteen key terms associated with geometry in a word search puzzle.
Curated OER
Exploring Altitudes in Math
Young scholars draw and calculate altitudes. They draw the altitude of acute, right and obtuse triangles and calculate the altitude of a triangle using the Pythagorean theorem.
Curated OER
Got Milk?
Students measure the angles of a milk carton. They identify and label acute, right, and obtuse angles. Using appropriate tools, students determine the volume of a cube or a rectangular prism. Students complete worksheets to...
Raytheon
Understanding Triangles
In this understanding triangles worksheet, students read 6 pages of examples and explanations about identifying triangles, determining length of sides and degrees of angles, including the hypotenuse, then answer 28 questions, answers...