Illustrative Mathematics
Find the Angle
This a fun problem for young geometers to play with while gaining important insight into deductive reasoning. Some will find the answers very quickly, others might take a less direct path, but all will use their knowledge of the sum of...
Illustrative Mathematics
Sum of Angles in a Polygon
How can learners use algebra to solve a geometry problem? Help learners create an equation that shows the relationship between the number of sides of a polygon and the sum of the interior angles. Students are asked to divide the...
Illustrative Mathematics
Find the Missing Angle
This one activity requires young geometers to pull together information they are currently learning with things they have learned previously. Here they rely on understanding something about parallel lines, alternative interior angles,...
Curated OER
Sum of Angles on a Triangle
Use this lesson for a basic review of angles. While the activities discussed are outlined, there are no materials provided to make implementation possible. When using this resource, it is necessary to create worksheets and other...
Curated OER
Bocce Ball - Lesson 4 - Angle of Release
This life-long sport of Bocce ball can be played for fun, or one can play in serious competitions. Here, the angle of release is covered. Discussion and practice with regard to rolling, tossing, throwing, or lobbing requires knowledge...
Curated OER
Classifying Triangles Based On Properties of Angles
The interactive instructional activity featured here calls for the use of a Smartboard for sorting and classifying shapes. Then, pupils discuss the rules they followed for sorting their shapes, particularly focusing on the properties of...
Hotchalk
Triangle Sum Theorem
Your visual geometry learners will appreciate triangle drawings as they model the triangle sum theorem and algebraically solve to find the missing interior angle in a triangle. Practice problems increase in complexity and vary in their...
Scholastic
Study Jams! Tools of Measurement
From temperature and mass, to length and volume, there are many different types of measurement. Expose young learners to a variety of measurement tools using this slide show of real-life pictures. Go through the presentation one image at...
Scholastic
Study Jams! Area of a Triangle
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
Carstens Studios
Math Doodles
Discover the joy and excitement of improving your math fluency through four different puzzles. Combine those with 25 different ways to represent numbers and you have hours of enjoyment that can be fun outside of the classroom as well.
Curated OER
Storyboards: The Director's Map to a Video Project
Class groups collaborate to produce the storyboard for their video project. After determining the sequence of scenes, the camera angles, and characters in each scene, each group member is assigned a number of scenes to illustrate. When...
Curated OER
Transformations in the Coordinate Plane
Your learners connect the new concepts of transformations in the coordinate plane to their previous knowledge using the solid vocabulary development in this unit. Like a foreign language, mathematics has its own set of vocabulary terms...
Space Awareness
Seasons Around the World
Why does Earth experience summer, fall, winter, and spring? Using an informative demonstration, learners see how the angle of the sun on Earth and the rotation of Earth determine the seasons. Scholars work in pairs to learn that the...
Curated OER
Camera Shots
Understanding how visual codes such as long-shots, close-ups, and camera angles affect meaning helps prepare young filmmakers to plan their own productions. The concepts embedded could also be used to analyze photographs and paintings.
Lake Afton Public Observatory
Shadows, Angles, and the Seasons
Shine some light on the topic of seasonal change with this collection of activities. Whether it's by measuring the change in the length of their shadows, or modeling the earth's orbit around the sun using a lamp and a globe, these...
Curated OER
Introduction to Photovoltaic Systems
The Green Education Foundation found that this lesson plan, written by the Texas State Energy Conservation Office, is right up their alley when it comes to teaching sustainability. It is ideal as a first lesson plan on photovoltaic...
Curated OER
Access Ramp
Just about every public building that your students are familiar with has an access ramp which complies with ADA requirements. As it turns out, designing such a ramp is an excellent activity to incorporate slope, the Pythagorean Theorem,...
Curated OER
Occupy the Gym Floor
There are eight different steps in this line dance instructional activity: angle step, jump step, punch step, marching step, grapevine step, turn step, stop step, and down step. Each step has it's own eight-count. Teach these steps to...
Curated OER
Unit Squares and Triangles
This is an interesting geometry problem. Given the figure, find the area of a triangle that is created by the intersecting lines. The solution requires one to use what he/she knows about coordinate geometry, as well as triangle...
Education Institute
Four Mathematics Lessons for Grade 9
These four lesson plans build algebra skills for working with numbers in exponential form and for examining triangles. Be aware that in the text, scientific notation is referred to as index notation and the laws of exponents as the laws...
Curated OER
Physical Education Unit Plan: Soccer - Lesson 9
By the ninth instructional activity in this soccer unit, learners have studied this sport from many angles. Here they consider the right to play. Take a look at how much money professional athletes earn. Is there a difference between how...
Curated OER
What are the Components of a Good Interview?
Class members develop interview questions and then one volunteer interviews a new principal (the instructor) while the entire class watches and takes notes. Participants then individually consider an interesting angle from which the...
Center for Innovation in Mathematics Teaching
Trigonometry
This unit covers the basic trigonometry including understanding radians, how to convert between radians and degrees, the area of a circle subtended by an angle, basic properties and graphs of sine, cosine, tangent, and solving...
Key Curriculum Press
Triangle Inequalities
Properties about triangles are explored in this lesson. Geometers make conjectures about the length of a triangle's sides, the length of the angles in relation to the length of the sides, and the measure of the exterior angles of a...
Other popular searches
- Interior Angle of Triangles
- Sum of Angle Measures
- Light Angle of Reflection
- Percentage of Angle Measure
- Cosine of Acute Angle
- Inscribed Angle of Circle
- Critical Angle of Refraction
- Bisector of Angle
- Bisector of an Angle
- Missing Angle of a Triangle
- Missing Angle of Triangle
- Vortex of an Angle