EngageNY
Addition and Subtraction Formulas 1
Show budding mathematicans how to find the sine of pi over 12. The third lesson in a series of 16 introduces the addition and subtraction formulas for trigonometric functions. Class members derive the formulas using the distance formula...
Curated OER
Polygons and Angles
Sixth graders estimate the measurement of angles and then measure the exact distance using an angle ruler. In groups, they explore shapes and recognize the characteristics acute, obtuse and right angles. Students sketch required shapes,...
CK-12 Foundation
Angle-Side-Angle Triangles: Caution Tape
Don't lose your marbles. Scholars use an interactive to create a triangle that closes off a portion of a sidewalk with loose marbles. The Law of Sines helps them find the side measures of such a triangle.
Curated OER
Angles: 90, 180, 270, 360 Degrees
In this geometry worksheet, students solve 4 problems in which an angle is analyzed. Students mark the correct choice for each angle: 1/4 turn, 1/2 turn, 3/4 turn or full turn. There are no examples or instructions.
Curated OER
Angles and Arcs
Students identify the relationship between angles and arcs. For this geometry lesson, students rotate and move the circle around to create different arcs on the TI-Navigator. They differentiate between major and minor arcs.
Curated OER
Angles and Similarity
Students identify triangles as similar or congruent. In this geometry lesson, students drag triangles around on the navigator to see the effect of different angles on the shape of the triangle. They discuss angle similarity and angle...
Curated OER
Radian Measure
Young mathematicians identify central angles, arcs and radius of circles in this pre-calculus lesson. They identify the proportion of the circle based on its radius while they convert between degrees and radians measurements.
Curated OER
Radian Measure
In this Algebra II/Pre-calculus instructional activity, students explore radian measure of an angle and convert between degree and radian measure. The seven page instructional activity contains explanation, examples, and nineteen...
Curated OER
Contact Angle. Interfacial Tension and Wetting
Students determine the contact angle of water on different surfaces. In this physics instructional activity, students calculate their percent error using a mathematical formula. They explain the advantages of using non-wetting surface...
Curated OER
Circles and Angles
Students identify tangents, chords and secants. In this geometry instructional activity, students graph circles and identify angles created by secant lines, tangent lines and chords.
Curated OER
Right Triangle Trigonometry: Evaluating Trigonometric Ratios
In this right triangle trigonometry worksheet, students use trigonometric ratios to determine the length of a missing side of a triangle or to find a specified angle measurement. This four-page worksheet contains 32 problems. Answers are...
Curated OER
Trig Ratios of General Angles
In this trig ratios instructional activity, students determine the angle measurement of trigonometric ratios. They find the value of trigonometric function. This approximately four-page instructional activity contains 24 problems....
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
Proving Lines Parallel Homework
In this parallel lines worksheet, students solve 13 short answer and fill in the blank problems. Students determine which lines are parallel given a statement such as if these angle measures are equal then which lines are parallel?...
Curated OER
Complimentary and Supplementary Angles
For this angle worksheet, 9th graders find the missing angles to form complimentary and supplementary pairs. This two page worksheeet contains eight complementaty angle problems and eight supplementary angle problems. A two-page...
Curated OER
Measure Up!
Young scholars examine parallax and angular measurements. For this investigative lesson students calculate distances of objects and map their results.
Curated OER
Vertical Angles Exploration
In this vertical angles explorations worksheet, 10th graders solve and complete 6 different types of problems. First, they use a ruler and a protractor to measure the angles illustrated. Then, students complete the tables next to each...
Curated OER
Polygon Angle Partners
In this math worksheet, students analyze 6 geometric figures. Students label each polygon with its name and measure each inside angle. Students are instructed to compare their measurements with those of a partner.
Curated OER
Geometry Worksheet: Angle (2)
In this geometry worksheet, students find the measure of missing angles. They identify alternate angles. This one-page worksheet contains two problems.
Curated OER
Using Slope Angles
In this geometry worksheet, 10th graders use right triangle trigonometry to solve problems involving angle of elevation or depression. The one page worksheet contains eleven problems. Answers are not provided.
Curated OER
Supplementary Angles
In this geometry instructional activity, 10th graders determine measure of a supplementary angle. Algebra applications are included. The one page interactive instructional activity contains six questions. Hints, clues, and answers are...
Curated OER
Geometry Worksheet: Angle (4)
In this geometry angle worksheet, students examine find the measurement of given angles. This one-page worksheet contains two problems.
Curated OER
Revision of Angles Sheet 020
For this revision of angles worksheet, students use their problem solving skills to find the measurements of missing angles in order to solve 6 problems.
Curated OER
Angles and Lines: Calculate What Is Missing
In this angles and lines: calculate what is missing worksheet, 6th graders look at four geometric shapes with some information given about angles and lines and calculate the measurements that are missing.
Other popular searches
- Measuring Classifying Angles
- Measuring Interior Angles
- Measuring and Drawing Angles
- Measuring Reflex Angles
- Measuring Triangle Angles
- Measuring Central Angles
- Measuring Inscribed Angles
- Measuring Polygons Angles
- Measuring Segments and Angles