Curated OER
Measuring Angles
In this measuring angles worksheet, 10th graders solve and complete 8 various types of problems. First, they use a protractor to find the measure of each angle shown. Then, students find the missing angle measures. They also refer to the...
Curated OER
Angle Measurements
In this angle measurements worksheet, 10th graders solve 12 problems that refer to the illustrations on the sheet and find the measures of various types of angles. First, they refer to the first figure to respond to 6 questions about the...
Curated OER
Angles: Angles, Angles, Everywhere
Students practice estiminating and measuring angles. After watching a short video, they identify angles in objects in the classroom and their homes. In groups, they participate in activities in which they are given a scenerio and are...
Curated OER
Angles and Measuring
Learners identify various angles and how to measure each type. They use a protractor to measure each of the angles. Students also write the name of the angle and identify the number of degrees for each.
Curated OER
Countdown Challenge: Geometry Exploration
For this geometry worksheet, students identify and draw right angles, acute angles, obtuse angles and straight angles. This one-page worksheet contains 34 problems.
Curated OER
Classifying Angles
In this classifying angles worksheet, 7th graders identify and complete 17 different angles illustrated on the sheet. First, they use the key given to outline each angle. Then, students use a protractor to measure each angle and...
EngageNY
Solve for Unknown Angles—Angles in a Triangle
Assist your class with each angle of geometry as they use exterior angles to form linear pairs with adjacent interior angles. They cover multiple vocabulary terms and work practice problems, complete with justifications, before...
EngageNY
How Do Dilations Map Angles?
The key to understanding is making connections. Scholars explore angle dilations using properties of parallel lines. At completion, pupils prove that angles of a dilation preserve their original measure.
Curated OER
Geometry In Space
How can we identify shapes in the Universe? High schoolers will compare and contrast elliptic and hyperbolic geometry. They will also explore one possible way to measure the curvature of the Universe, namely, by measuring the sum of the...
Curated OER
Similarity and Dilations - Discover Properties of Similar Figures
Learners investigate properties of similar figures. In this properties of similar figures lesson, pupils construct similar figures using Cabri Jr. They dilate their figure to create a similar one, and discuss the relationships between...
West Contra Costa Unified School District
Parallel Lines Cut by a Transversal
Parallel lines seem so right for each other. It's too bad they'll never, ever meet. Learners use tracing paper to discover relationships among angles formed by two parallel lines cut by a transversal. They apply this information to find...
101 Questions
Pool Bounce
Use geometry to improve your pool game! Learners analyze the front half of a pool shot to determine its resulting path. By measuring the angle of incidence, they are able to predict the path of the ball.
Curated OER
Kuta Software - Angles in Quadrilaterals
For this angles in quadrilaterals worksheet, students solve 18 short answer problems. Students find unknown angles in a quadrilateral given a sketch of various quadrilaterals with unknown angle measurements.
Curated OER
Right Triangle Trigonometry
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure. The two page worksheet contains fourteen problems. Answers are provided.
Curated OER
Measurement
Students measure angles, perimeter, area and volume. In this geometry instructional activity, students define different ways to measure and solve for the perimeter, area and volume of geometric shapes. They analyze and process...
Curated OER
Supplementary Angles (B)
In this geometry worksheet, 5th graders identify the missing angle measurement in each set of supplementary angles. They find the angle measurement in 8 examples.
Curated OER
Supplementary Angles (A)
In this supplementary angles activity, learners solve 4 problems in which the missing angle measurement in a set of supplementary angles is calculated.
Curated OER
Hypatia: Angles
Introduce your young geometers to Hypatia, the first noted Greek female mathematician, and the properties of angles. Though this resource is missing worksheets that are needed to complete the lesson, the structure is sound and learning...
Curated OER
Angle Measures-90, 180, 270 and 360 Degrees
For this angle measurement worksheet, students complete 4 multiple choice problems, determining whether given angles measure 90, 180, 270 or 360 degrees. A reference web site is given for additional activities.
Curated OER
Measuring Angles in a Triangle
High schoolers investigate the sum of the measures of the angles of a triangle. They draw a triangle and measure the interior angles. Using Cabri Jr., learners find the sum of the measures of the interior angles. The lesson provides an...
Curated OER
Measuring Angles
Sixth graders identify and measure right, acute, obtuse, and straight angles. In this geometry instructional activity, 6th graders review the definition of each angle and are shown examples of each specific angle. Students use...
Curated OER
Measuring Angles
In this math worksheet, learners use protractors to measure each of a set of angles. This is a worksheet generator, the teacher controls the minimum and maximum angles students are presented with as well as whether or not to rotate...
EngageNY
Unknown Angle Proofs—Proofs of Known Facts
Lead the class in a Greek history instructional activity with a geometric twist. Pupils relate a short video about geometric properties to modern-day methods of solving for unknown angles. They discuss parallel line...
EngageNY
Solve for Unknown Angles—Transversals
Lead your class on an exciting journey through the world of math as they review geometry facts and solve for unknown angles. They learn how to use auxiliary lines and congruent angles to correctly complete each practice problem...