Worksheet
Curated OER

How Do We Measure Angles

For Students 4th - 5th
In these angles and geometry worksheets, learners learn about different kinds of angles, angle measurement, and other geometry facts. Students complete 15 questions.
Worksheet
Curated OER

Pythagorean Theorem

For Students 9th
In this Pythagorean theorem worksheet, 9th graders solve and complete 6 various types of problems. First, they find the length of a right-angled triangle's hypotenuse. Then, students determine which triangle is described and explain...
Lesson Plan
Curated OER

Angle Exploration and Classification

For Teachers 4th - 7th
Students compare and contrast angles and identify them as acute, obtuse, right, or straight angles. They create rays and angles using uncooked spaghetti, read and discuss key vocabulary terms, and complete a variety of geometry worksheets.
Lesson Plan
Curated OER

Angle Explorations

For Teachers 3rd
Third graders observe angles in their classroom and create an angle finder to represent them.In this angles lesson, 3rd graders classify angles as acute, obtuse, right or straight. Students find the differences and similarities in angles.
Worksheet
Curated OER

Identify the Angles

For Students 9th - 11th
In this geometry worksheet, students identify angles using a word bank.  They differentiate between obtuse, acute or right angle.
Lesson Plan
Curated OER

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
Curated OER

Poolroom Math

For Teachers 3rd - 4th
Students identify, name, and measure angles using playing pool as a motivator in this lesson. They measure, define, and label different angles. They then discuss how their knowledge about angles could be used in a game of pool.
Lesson Plan
Curated OER

Daily Upkeep 7

For Teachers 4th
In this geometry worksheet, 4th graders complete a quick set of math activities where they first identify which portion of a model is shaded in fraction form. Then, they select which angle best describes a given angle. Finally, students...
Worksheet
Curated OER

Measure, Draw, and Classify Angles: Homework

For Students 7th
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,...
Worksheet
Curated OER

Classifying Angles Online

For Students 5th - 6th
In this online classifying angles worksheet, students work out the answers to sixteen math questions and fill in the boxes with their answers. Students check their answers online as they go and the computer calculates the overall score...
Worksheet
Curated OER

Right Triangles

For Students 10th
In this right triangles worksheet, 10th graders solve and complete 12 various types of problems. First, they solve for x given each of the right triangles shown. Then, students determine the length of the shorter diagonal given the...
Lesson Plan
Curated OER

Working With Angles

For Teachers 4th - 5th
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn whether an angle is acute, obtuse or right. Students follow the directions to go through the process of deciding what classification an angle has....
Lesson Plan
Curated OER

Right Triangles

For Teachers 4th - 8th
Learners classify triangles and make connections regarding angle measurements and attributes of acute, right, and obtuse triangles. They listen to teacher define and explain triangles. Everyone imagines a place where a broken wing for a...
Lesson Plan
Curated OER

Rallytable Angle Measuring

For Teachers 6th - 10th
In this geometry worksheet, students measure various angles. First, they write what type of angle each one is, whether right, acute, or obtuse. Then students estimate the measurement and then write the actual measurement for each angle.
Worksheet
Curated OER

Identify different types of angles

For Students 3rd - 6th
In this angles worksheet, students identify angles as either being acute, obtuse, right, or straight. Students identify 4 angles.
Lesson Plan
Curated OER

Basic Right Triangles

For Teachers 2nd - 4th
Elementary schoolers examine the attributes of triangles. In this triangle lesson, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils draw multiple...
Worksheet
Curated OER

Angle Comparison to Right Angles

For Students 5th - 6th
In this angles worksheet, students solve 4 problems in which an angle is analyzed and measured. Students tell if each angle is greater than, less than or equal to a right angle.
Worksheet
Raytheon

Just Measure It

For Students 5th - 7th
In this line segments and angles instructional activity, students solve problem solving problems and multiple choice questions about line segments and angles. Students complete 7 pages of problems.
Worksheet
Curated OER

Triangles

For Students 4th
In this triangles worksheet, 4th graders study the lengths that are stated for 3 triangles and describe each triangle by its sides. Students describe 3 additional triangles by their angles.
Worksheet
Curated OER

Triangle Designs

For Students 4th - 6th
In this triangles worksheet, students draw different triangles and write how many sides and angles each one has. Students draw 4 kinds of triangles and have 2 that are impossible to draw.
Lesson Plan
Curated OER

Measure the Angle

For Teachers 7th - 9th
Students measure angles.  In this angle lesson plan, students draw angles.  They  use a protractor to measure angles and identify the angle as straight, right, acute, or obtuse. 
Worksheet
Curated OER

Angles

For Students 10th
In this angles worksheet, 10th graders measure 10 different types of angles described in each problem. First, they determine whether two congruent angles form a supplementary figure. Then, students determine the degrees in an angle when...
Worksheet
Curated OER

Types of Angles

For Students 7th - 9th
In this angles activity, students identify types of angles.  They describe a given angle as acute, obtuse, right, straight or reflexive.  This two-page activity contains 9 problems.  Answers are provided on the last page.
Worksheet
Curated OER

Identify Angles: Acute, Right, Obtuse and Straight

For Students 5th - 6th
In this angles worksheet, learners identify a set of angles as either acute, right, obtuse or straight. A reference web site is given for additional activities.