EngageNY
Basic Trigonometric Identities from Graphs
Have young mathematicians create new identities! They explore the even/odd, cofunction, and periodicity identities through an analysis of tables and graph. Next, learners discover the relationships while strengthening their...
Curriculum Corner
8th Grade Math "I Can" Statement Posters
Clarify the Common Core standards for your eighth grade mathematicians with this series of classroom displays. By rewriting each standard as an achievable "I can" statement, these posters give students clear goals to work toward...
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
Angles in Art Lesson
Students examine the correlation between art and math. Using their computers, students construct and measure angles. Students identify the properties of angles and polygons. They engage in the Angles program on their Palm and use the...
Curated OER
All Angles (A)
In this measuring angles review worksheet, learners use their math skills to solve 6 problems that require them to estimate and measure each of the 6 angles.
Curated OER
Estimating and Measuring Angles (B)
In this estimating and measuring angles review worksheet, students use their math skills to solve 6 problems that require them to estimate and measure each of the 6 angles.
Curated OER
Measuring Angles
In this measuring angles worksheet, students complete a set of 10 multiple choice questions, clicking on a link for answers or to print the page. Worksheet is labeled "pretest."
Curated OER
Determining Angle Measure with Parallel Lines
Students observe and solve examples of corresponding angle postulates, alternate interior angle theorems, and exterior and consecutive angles. They complete the Determining Angle Measure With Parallel Lines worksheet.
Curated OER
Christmas Tree Angles
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
Curated OER
Complementary Angles (A)
In this angles worksheet, students solve 6 problems in which the missing angle measurement in each set of complementary angles is calculated.
Curated OER
Complementary Angles (B)
In this complementary angles worksheet, students use their geometry skills to identify the missing angle measurements in each set of 6 complementary angles.
Curated OER
Quadrilaterals and Angle Sums: Reteach
In this quadrilateral and angle sum instructional activity, students review the five types of quadrilaterals. Students then find each missing angle measure and classify the figures as quadrilateral, parallelogram, rectangle, rhombus,...
Curated OER
Plain Figures and Measuring Figures
Students investigate basic geometric concepts. In this geometry lesson, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.
Curated OER
The Sum of All Angles
Students add up the different angles using the angle addition postulate. For this geometry lesson, students differentiate between interior and exterior angles. They calculate the different angles for triangles and use proof to show their...
Curated OER
Intersecting Lines
In this intersecting lines worksheet, 10th graders solve and complete 16 various types of problems. First, they find the measures of each missing angles in the diagrams shown. Then, students determine the types of angles formed in each...
Curated OER
PreCalculus Test 3: Angle Measurement
In this angle measurement worksheet, students identify the domain and range of given problems. They determine the amplitude, period and horizontal translation of given functions. This two-page worksheet contains 16 problems.
Curated OER
Angles, Bearings and Maps
In this angles, bearings and maps worksheet, learners measure angles and classify, calculate the size of unknown angles, and complete related multiple choice and word problems.
Curated OER
Forty Mental Math Angle Problems
In this angle activity, 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
Quiz: Area of Sector and Segment
In this area of sector and segment worksheet, students find the area of a shaded sector. Given the central angle of a segment and the radius, students identify the area of a sector. This one-page worksheet contains ten problems.
Curated OER
Study of Projectile Motion using Straw Rockets
High schoolers design and launch their own rockets. In this experimental lesson students launch their own rockets and record the various angles and distance that they go. Each student has time to redesign their rocket and...
Curated OER
Introducing Angles
Sixth graders identify, compare and interpret the characteristics of polygons and angles in order to meet spatial sense, geometry and measurement standards. They also sort shapes into three categories, polygons (regular and irregular)...
Curated OER
Parts of Similar Triangles
In this parts of similar triangles learning exercise, 10th graders solve and complete 15 different statements related to naming the parts found in similar triangles. First, they identify each definition stated that describes an everyday...
Curated OER
Angle Bisector
In this geometry worksheet, 10th graders use a straightedge and a compass to construct the bisector of a given angle. The one page worksheet contains two problems. Answers are provided.
Curated OER
Angle of Sunlight Lab
For this sunlight worksheet, learners use a flashlight to simulate the angles sun shines. They shine the light on a graph at various angles and trace the lighted areas. They answer questions about the differences in the angles of light...