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Curated OER
Exploring Areas of Irregular Polygons
Students solve for the area of different polygons. In this geometry lesson, students identify and differentiate between regular and irregular polygons. They use properties of irregular polygons to solve problems.
Project Maths
Introduction to Trigonometry
The topic of trigonometric ratios is often covered with loads of rote memorization baked into the activity. This activity set, however, leans more on using similar triangles and discovery learning to help young geometers develop a deeper...
National Gallery of Art
Islamic Art and Culture
Provided by the National Gallery of Art in Washington, this resource for teachers examines Islamic art, including calligraphy, arabesques, and geometric designs. A recounting of the spread of the faith and the tumultuous political...
Polar Trec
Playground Profiling—Topographic Profile Mapping
The Kuril islands stretch from Japan to Russia, and the ongoing dispute about their jurisdiction prevents many scientific research studies. Scholars learn to create a topographic profile of a specific area around their schools. Then they...
Illustrative Mathematics
Placing a Square Root on the Number Line
There are many ways to approach finding the rational approximation of an unknown square root. Here is a problem that will help math learners make a connection between square roots and their order on a number line. As usual, determine two...
Teach Engineering
Designing a Spectroscopy Mission
In this mind-bending activity, young engineers explore this question of whether or not light actually bends. Using holographic diffraction gratings, groups design and build a spectrograph. The groups then move on research a problem...
Code.org
Public Key Cryptography
Investigate how public key cryptography works. Scholars continue their study of one-way functions and asymmetric keys and apply this information to public key cryptography. They use an app to explore public key cryptography and its...
Curated OER
Measuring Perimeter
Have your class practice measuring the perimeter of various objects using this resource. Fifth graders place various-sized polygons in order (from largest to smallest). They use non-standard measuring tools to estimate the distance...
Curated OER
Area of Rectangles
Seventh graders review the concept of finding the areas of a rectangle. This activity uses the classroom as a real life application for the formula of area. They measure classroom in order to compute the area.
Curated OER
Finding the Area of a Parallelogram with Translations
Learners calculate the area of a parallelogram. In this geometry lesson, students perform translation using a coordinate plane and coordinate pairs. They perform translation on other polygons.
Curated OER
Finding the Area of a Parallelogram with Translations
Students calculate the area of parallelograms. In this geometry lesson, students identify properties of parallelograms and use to to solve problems. They create polygons using Cabri software.
Curated OER
Exploring Area and Perimeter
Two students are blindfolded and each receives a cardboard square, one with pompoms glued around the edge and one with pompoms glued all over the surface. They identify what they feel. The class discusses perimeter and area of polygons....
Curated OER
A is for Area, B is for Billion
Students use important math vocabulary by creating an illustrated storybook. They become familiar with the mathematics terms they encounter on a standardized test and connect these words to the world around them.
Curated OER
Problem Solving Using Math
Students solve real life scenarios using algebra. In this word problem instructional activity, students use different websites dealing with engineering as it relates to the real world and math. They use other resources such as magazines...
Virginia Department of Education
Square Roots
Square away any doubts about using a new resource. Pupils learn about squares and square roots in the mini-activity. They complete a worksheet identifying roots of perfect squares up to 400.
EngageNY
Solve for Unknown Angles—Angles and Lines at a Point
How do you solve for an unknown angle? In this sixth installment of a 36-part series, young mathematicians use concepts learned in middle school geometry to set up and solve linear equations to find angle measures.
EngageNY
The Zero Product Property
Zero in on your pupils' understanding of solving quadratic equations. Spend time developing the purpose of the zero product property so that young mathematicians understand why the equations should be set equal to zero and how that...
Teach Engineering
Manned Mission to Mars
To go or to not to go — the question for a mission to Mars. This resource provides details for a possible manned mission to Mars. Details include a launch schedule, what life would be like on the surface, and how the astronauts would...
Teach Engineering
The Amazing Red Planet
Introduce your class to Mars with a resource that provides information about its size, location, length of day, length of year, number of moons, and average temperature. Also includes is information about the lans for past...
Teach Engineering
Just Plane Simple
It is plane to see that simple machines help reduce the force needed to perform a task. This resource introduces three of the simple machines--the inclined plane, the wedge, and the screw, and the formulas in order to be able...
Teach Engineering
Solar Power
How much solar energy is available at my location? An engaging resource provides a presentation along with script to give the class background information on determining solar radiation. Pupils then work through a worksheet to...
Curated OER
Geometry: Area Project
Sixth graders identify and use area formulas for finding the area of geometric shapes.
Curated OER
Area Explorations
Students explore the concept of area. In this area lesson, students find the area of irregular shapes with right angles. Students break down each irregular shape into multiple regular shapes in order to find the area. Students...
Curated OER
Area And Perimeter Powerpoint
Students engage in a study using technology in order to attempt the comprehension of using perimeter and area. They use powerpoint to solve different problems. This helps to keep learners engaged in the process of practice and...