Curated OER
Triangle Angle-Sum Theorem
For this polygons worksheet, students fill out a graphic organizer about the name of the polygon, the number of sides, the angle sums, and more. Students complete this for 5 polygons.
Curated OER
Learning About Triangles
Upper graders label four triangles and fill in the labels correctly. They draw three original triangles and answer the questions about them.
K12 Reader
Classifying Triangles
Bring math and reading informational text together with a reading comprehension lesson. After kids read about isosceles, scalene, and equilateral triangles, they answer five comprehension questions to demonstrate how they can use context...
Concord Consortium
In Oz We Tryst
The shortest distance from point A to point B is a straight line, but measuring distance gets more complicated when there are three points! Given the location of three friends, individuals determine the best point for all three friends...
Curated OER
Practice: Word Problems
Congratulations, you've just hit the word problem jackpot! Covering an incredible range of topics from integers and fractions, to percents, geometry, and much more, this collection of worksheets will keep young mathematicians...
Curated OER
Inscribed Angles
In this inscribed angles activity, 10th graders solve 11 different problems that are related to determining the measurement of various inscribed angles. First, they name the intercepted arc for an angle, the inscribed angle, and the...
Curated OER
Forty Mental Math Angle Problems
In this angle worksheet, students answer forty mental math questions divided into four problem sets. These problems require students to remember angle facts and so simple calculations mentally.
Curated OER
Measurement of a Central Angle
Students calculate the measurement of a central angle. In this geometry lesson, students identify properties of circles. They use Cabri software to create and analyze graphs.
Curated OER
Parallel Lines and Transversals
In this parallel lines and transversals learning exercise, 10th graders solve nine different problems related to measuring parallel lines and transversals. First, they name two more pairs of parallel segments, two more skew segments, and...
Curated OER
Exterior and Interior Angles of Triangles
Tenth graders explore the exterior and interior angles of triangles. They use a theorem in order to prove a theorem about all polygons. Students use the theorem and its applications to find the angles of different types of triangles.
Curated OER
Angles
Fifth graders identify different angles according to its type that is determined according to taking a measurement of the degree. They also explore the vocabulary related to the concept.
Curated OER
Angle Insolation
In this science worksheet, young scholars look for the answers that are related to the concept of insolation and measuring different angles.
Curated OER
Angle Bisector
In this geometry learning exercise, 10th graders use a straightedge and a compass to construct the bisector of a given angle. The one page learning exercise contains two problems. Answers are provided.
Alabama Learning Exchange
The State Capital of Stem and Leaf
Young scholars explore the concept of stem and leaf plots. In this stem and leaf plots lesson, students plot the 50 US states' capitals on a stem and leaf plot according to the first letter of each state. Young scholars...
Curated OER
Geometry Journal: Isosceles Triangles
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
Curated OER
Measuring Temperatures
Fourth graders participate in a teacher-led discussion about temperature--hot and cold. Each group of students is assigned specific materials for their lab experiment. They record temperatures measured in their journals and then plot...
Alabama Learning Exchange
Origami Geometry
Origami is an excellent way to combine Japanese culture, art, and geometric shapes into one engaging instructional activity! Scholars begin by listening to the story Sadako and the Thousand Paper Cranes and learn the origin of...
Curated OER
Angles: Angles, Angles, Everywhere
Middle schoolers estimate and accurately measure the size of angles communicate with the appropriate geometric terms and symbols to describe and name angles, lines, line segments, rays
EngageNY
Algebra II Module 2: Mid-Module Assessment
Time for classes to show what they've learned. Use several tasks to assess understanding of the trigonometric functions, unit circle, radians, and basic trigonometric identities.
EngageNY
Special Lines in Triangles (part 1)
Allow your pupils to become the mathematicians! Individuals explore the properties of a midsegment of a triangle through construction and measurement. Once they figure out the properties, learners use them to draw conclusions.
Curated OER
What's Your Angle?
Students devise procedures for using a protractor to measure the number of degrees in an angle. They use inductive reasoning skills to construct their own method for effectively using the protractor to measure angles, as well as, make...
Curated OER
Angles and Parallel Lines
In this angles and parallel lines learning exercise, 10th graders solve 27 different variations of angle types and parallel lines. They name a linear pair, a pair of vertical angles, a pair of complementary angles, and a pair of...
Curated OER
Trapezoids
In this trapezoids worksheet, student solve 46 fill in the blank problems. High schoolers find unknown side lengths and angle measures of an isosceles trapezoid and a rhombus.
Curated OER
Protractor #4
For this angles worksheet, students measure and label angles as either acute, right, obtuse or straight. A reference web site is given for additional activities.