Curated OER
Measuring Angles with a Protractor
In this measuring angles worksheet, students solve and complete 3 various types of problems. First, they complete each statement by measuring each angle shown. Then, students measure all three angles in a triangle and add them.
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...
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Angles and Triangles
Eighth graders examine Jewish symbols. In this Holocaust instructional activity, 8th graders discuss the meanings behind the Swastika and the Star of David. Students also measure the angles and shapes with the symbols.
Curated OER
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.
Curated OER
Angle Measurement Exercises
In this math worksheet, students find the measurements of the angles in degrees. Then they determine which ones are in Standard Position.
Curated OER
Eleven Angle Addition Postulate and Adjacent Angle Problems
In this angles worksheet, learners use the angle addition postulate, the idea of adjacent angles and the diagrams shown to answer eleven questions
Curated OER
Lines, Rays, and Angles
Third graders read "Pigs on the Ball" by Amy Axelrod and discuss the geometry concepts presented in the book. They use Twizzler sticks and pipe cleaners to represent lines, rays and angles.
Curated OER
Angles
In this math learning exercise, students measure a series of angles. Then they measure the angles in the triangles and determine the sum of the angles.
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...
Curated OER
Identify Different Types of Angles
For this types of angles worksheet, students identify types of angles as either acute, obtuse, straight or right. A reference web site is given for additional activities.
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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
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.
Curated OER
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.
Curated OER
Triangle Angle Sort
In this triangle and angle worksheet, 10th graders identify 36 different angles and triangles illustrated on the sheet. First, they define the vocabulary to include equilateral, scalene, right, and isosceles triangle. In addition, they...
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Measuring Angles
In this angles worksheet, learners use a protractor and measure a set of 5 angles, checking the correct measurements and labeling as acute, right, obtuse or straight.
Curated OER
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.
PBS
Accessible Shapes
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
Curated OER
Pythagorean Relationships
Oh that Pythagorean Theorem is so useful. Learners engage in a 45 minute learning activity that requires them to solve for missing angles and sides of a right triangle. They'll use the Pythagorean Theorem to find the rations of sides and...
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Classify Triangles
Here is a classifying triangles practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
Curated OER
Angle Aerobics
Third graders review angle criteria and then stand. They demonstrate with their hands each type of angle called out by the teacher: right, acute, or obtuse. Music is added and students follow teacher in an angle aerobics class peppered...
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What's Your Angle
Students create an original lesson about geometry and angles. In small groups they take pictures using a digital camera of obtuse, acute, right, and straight angles that they find at school. Students use the photos in a computer...
Curated OER
Classifying Angles: Greater Than, Less Than, or Equal to 90 Degrees?
In this angles worksheet, students analyze four angles. For each angle, students decide if it is greater, less than, or equal to a right angle. Students check the correct box.
Curated OER
Informal Geometry
Middle and high schoolers solve and complete 29 various types of problems. First, they match each name with its correct formula. Then, students find the length of the missing side and the distance between the two points given. In...
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