Curated OER
Trigonometry Applications
In this geometry worksheet, 10th graders solve application word problems involving the use or right triangle trigonometry, including angle of elevation or depression. The one page interactive worksheet contains five questions. Hints,...
Curated OER
Mixed Right Triangles
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length in right triangles. The one page interactive worksheet contains ten questions. Answers and hints are included.
Curated OER
Angles: Greater Than, Less Than or Equal To 90 Degrees?
In this angles worksheet, students check the correct box, identifying angles as either greater than, less than or equal to 90 degrees. A reference web site is given for additional activities.
Curated OER
Calculate Missing Angles and Line Lengths
In this missing line length and missing angles activity, students find measures of missing angles and find missing lengths. A reference web site is given for additional activities.
Mathematics Vision Project
Circles: A Geometric Perspective
Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...
EngageNY
Cyclic Quadrilaterals
What does it mean for a quadrilateral to be cyclic? Mathematicians first learn what it means for a quadrilateral to be cyclic. They then investigate angle measures and area in such a quadrilateral.
Del Mar College
Formulas for Elementary and Intermediate Algebra
Give your scholars the support they need to work with formulas. A reference page offers definitions and picture examples of perimeter, area, surface area, volume, the Pythagorean theorem, a variety of shapes, and more.
Curated OER
Angle Measures-90, 180, 270 and 360 Degrees
In this angle measurement worksheet, learners 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
Calculate Missing Central Angles
In this central angle worksheet, students calculate the missing central angles in a set of 4 circles. A reference web site is given for additional activities.
Curated OER
Angles-Greater Than, Less Than or Equal To 90 Degrees?
In this angles worksheet, students determine whether given angles are greater than, less than or equal to 90 degrees, checking the appropriate answer. A reference web site is given for additional activities.
Curated OER
Practice Problems
In this geometry instructional activity, students practice finding the measure of 4 different angles. Students work independently as they refine their ability to correctly calculate the measure of an angle.
Curated OER
Angle Benchmarks
Sixth graders discuss the characteristics of specific angles and then use the information to to identify and estimate given angles. The class goes outside, identifies north, and turns a specified amount of degrees. Using a given compass,...
Curated OER
Geometry Practice: G.G.28 #1: Congruent Triangles
In this congruent triangles worksheet, young scholars solve four multiple choice problems. Students determine which statement is the appropriate reasoning to say that two triangles are congruent.
NASA
Foam Rocket
When going for distance, does it make a difference at what angle you launch the rocket? Teams of three launch foam rockets, varying the launch angle and determining how far they flew. After conducting the series of flights three times,...
Curated OER
The Barbarian Invasions: The Migration Period in Europe 300-700 CE
The Vandals, The Goths, and Saxons - sounds like a line-up for a punk show. But it's not! These are some of the Barbarian tribes that moved into Europe at the fall of the Roman Empire. This clear presentation describes several key...
EngageNY
From Circle-ometry to Trigonometry
Can you use triangles to create a circle? Learners develop the unit circle using right triangle trigonometry. They then use the unit circle to evaluate common sine and cosine values.
Curated OER
Regents High School Examination PHYSICAL SETTING PHYSICS 2003
In this chemistry exam, physics pupils complete a series of multiple choice and short answer questions by completing calculations on speed, velocity, magnitude and inertia.
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
Identify Angles: Obtuse, Right, Straight and Acute
In this triangle worksheet, students identify angles as either obtuse, right, straight or acute. A reference web site is given for additional activities.
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.
CK-12 Foundation
Reciprocal Identities
Get a better understanding of the trigonometric functions by taking a look at the flip side. Pupils create angles within a unit circle and compare the values of the standard trigonometric functions to their reciprocal functions. The...
CK-12 Foundation
Domain, Range, and Signs of Trigonometric Functions: Sine and Cosine
Is there a relationship between the sign of sine and cosine and the angle on the unit circle? Scholars use an interactive to see the value of sine and cosine within different quadrants. they then use the information to determine the...
Curated OER
Identify Triangles: Acute, Right, Obtuse, Straight
In this triangles worksheet, students draw angles with given measurements and identify each as either acute, right, obtuse or straight. A reference web site is given for additional activities.
Curated OER
Estimate and Measure Angles
In this angle worksheet, students estimate a set of angles within 15 degrees, then measure each angle and name it. A reference web site is given for additional activities.