Curated OER
Forming, Measuring and Labeling Angles
Students draw and measure angles. In this angle measurement instructional activity, the teacher demonstrates how to form and measure angles while explaining the parts of an angle, then students practice.
Curated OER
Geometry - Angles
In this geometry activity, 4th graders tell what type of angles are shown in 6 figures. They write the angle type on each blank line next to the angles.
Curated OER
Measure, Draw, and Classify Angles: Homework
In this angles worksheet, 7th graders review the definitions for a right angle, acute angle, obtuse angle, and straight angle. Students then use symbols to name each angle three different ways. Students classify each angle as acute,...
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
Naming Angles
In this geometry instructional activity, students solve 6 problems in which an angle is analyzed. From 5 choices, students circle the correct math symbol that names the angle. There are no examples or explanations for the symbols, which...
Curated OER
Acute, Right or Obtuse
In this angles worksheet, students solve 4 problems in which angles are analyzed and classified as acute, obtuse, or right. No examples are provided.
Curated OER
Classify Angles Worksheet
In this angle classification activity, students solve 8 problems in which an angle measurement in degrees is analyzed. Students classify each angle as right, obtuse, or acute.
Shodor Education Foundation
Shodor Interactivate: Lesson: Angles (Elementary)
In this lesson learners will learn what determines whether an angle is acute, obtuse or a right angle.
McGraw Hill
Glencoe: Self Check Quizzes 2 Angles
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of angles. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
McGraw Hill
Glencoe: Self Check Quizzes Angles
Students can take an online quiz that includes five self-checking multiple choice questions that explore angles. Hints are included.
McGraw Hill
Glencoe: Self Check Quizzes 1 Angles
Use Glencoe's randomly generated self-checking quiz to test your knowledge of angle classification and angle measurement. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
Shodor Education Foundation
Shodor Interactivate: Angles
The activity allows students to practice identifying different types of angles. An interactive activity and teacher resources are included.
Texas Instruments
Texas Instruments: Classifying Angles
Students will create a variety of angles using the Geoboard APP. The teacher will use Screen Capture to display the angles created by the students and will lead a discussion on whether the angles are acute, right, or obtuse.
Math Open Reference
Math Open Reference: Angle Quiz
Students are assessed on different types of angles. Definitions of the angles are included.
BBC
Bbc: Angles
You can pick up some valuable pointers on angles and lines here. When you finish working your way through the pages you can take an on-line "Test Bite," and check your understanding.
Alabama Learning Exchange
Alex: Angles in the Mix
In this lesson, students explore straight, acute, and obtuse angles in artwork. Then students will use digital cameras to take pictures of objects in their environment that demonstrate these types of angles. Students will use these...
CK-12 Foundation
Ck 12: Geometry: Angles Study Guide
This study guide on angles covers key vocabulary, ways to name angles, how to measure them, the Protractor Postulate and the Angle Addition Postulate, types of angles, congruent angles, angle bisectors, and angle pairs. It is available...
ClassFlow
Class Flow: Classifying Angles
[Free Registration/Login Required] This flipchart introduces the different types of angles and how to classify them.
Doina Popovici
Math Play: Classifying Angles Game
Play Tic Tac Toe while practicing your skills of identifying an angle as being acute, obtuse, right, or straight in this online game.