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...
Curated OER
Indirect Measurement
Students measure and apply their knowledge of proportion to solve problems. In this geometry activity, students measure using a meter stick, small mirror and measuring tape. They compare and contrast their measurements to objects outside...
Curated OER
The Overlooked Regular Pentagon
Tenth graders discuss the history of geometry as it relates to pentagons. In this geometry lesson, 10th graders solve problems of a pentagon inscribed inside of a circle using ratio. They review other properties for shapes of polygons...
Curated OER
Discovering Pi
Students relate Pi to a circle. In this circles activity, students identify the different properties of two dimensional objects. They relate Pi to the circumference, diameter and area of a circle .
Virginia Department of Education
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Exploratorium
Exploring Pattern Blocks
Here's a great lesson that uses one of the best manipulatives there is: pattern blocks. Elementary schoolers must fill in a variety of shapes using specific amounts of pattern blocks. This forces them to do some spatial mathematical...
Hawaiʻi State Department of Education
The Golden Egg
Get ready for a musical story time! First your young musicians review musical dynamics as they listen to and discuss the pitch and sound of each instrument you play for them. Then they talk about special words (mostly verbs) in the book,...
Curated OER
Understanding Fundamental Trigonometric Identities
Students are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also review...
Curated OER
Plain Figures and Measuring Figures
Students investigate basic geometric concepts. In this geometry activity, students explore solids through measuring and modeling. This assignment models the importance of understanding concrete objects in geometry.
Curated OER
Whatcha Gunna Do When the Hulkster's Measuring Too??
Students measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.
Curated OER
Charting a New Course
Young scholars calculate the distance they will travel. In this geometry lesson, students use the TI and CBL system to make calculation of a certain path. They explore geography by calculating distances between different areas as it...
Curated OER
Transformational Geometry Using the Geometer's Sketchpad
Students complete a webquest on the various types of symmetry. Using a computer, they explore the concepts of transformational geometry and identify points, segments, lines and planes. They experiment with the rotation of a quadrilateral...
Curated OER
Draw 3 Dimensional Objects
Bring three-dimensional shapes to life in your classroom. First introduce the vocabulary of three-dimensional shapes, such as sphere, cube, and pyramid. Then, show your kids examples of how to use two-dimensional objects draw...
Illustrative Mathematics
Midpoints of the Sides of a Paralellogram
This task asks learners to prove that the segment joining the midpoints of two sides of a parallelogram is both congruent and parallel to an adjacent side of the parallelogram. The activity would be good to use in a discussion about how...
Curated OER
Learning About Vowels - Part One
Help learners examine the vowels as the teacher writes them on the board. They watch as the teacher circles the vowels. Then they can complete a worksheet where they circle the vowels in the given words.
Curated OER
Connecting With Coordinates
Play a coordinates game to encourage collaborative learning and grid use! Learners plot points on grids and play a game that challenges them to locate a specific point on a coordinate grid by using horizontal and vertical movements.
Curated OER
Why Doesn't SSA Work?
Students investigate the relationship between angles and their sides. In this geometry lesson, students prove why SSA does not work as a true angle side relationship theorem.
Curated OER
Classifying Polygons
Seventh graders participate in a polygon hunt. In this polygon lesson, 7th graders examine how polygons are alike and different. Students create a Venn diagram and label the sorting circles. Students work in cooperative groups to sort...
Curated OER
Let's Learn about Symmetry
Students explore symmetry in architecture. In this cross curriculum art and architecture lesson, students fold paper to illustrate symmetry and identify symmetrical and asymmetrical shapes. Students observe photographs or take a walk...
Curated OER
Paper Towel Structure
Students investigate technology and its purpose in the workplace. For this geometry lesson, students design and build a paper towel structure to investigate motion and forces. They are given a restricted weight and asked to build their...
Curated OER
Indirect Measurement, Surveying Trigonometry
Learners measure distances using indirect measurements. In this geometry instructional activity, students apply proportion and ratios to measure heights of different objects. They differentiate between direct and indirect measurements.
Curated OER
Geometry Jeopardy
Students identify the pattern in a problem. In this geometry lesson, students make predictions, collect and analyze data. They apply the idea of scales and measurements to the real world.
Curated OER
I Spy Shapes
Students play a game in which they name geometric shapes. In this geometric shape lesson, students ask "yes and no" questions to determine which shape one of their classmates has chosen. They ask questions that lead them to the name of...
Curated OER
Koch Snowflake
Students investigate Koch's Snowflake. In this geometry lesson, students identify the properties of creating Koch's snowflake. They solve problems dealing with fractals and patterns.
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