Curated OER
Congruent Trianges - Is This Enough Information?
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
Curated OER
Evaluating the Products of Chords of a Circle
Students investigate chords and make predictions. In this geometry lesson, students graph circles and calculate the measurement of each chord. They perform the calculations and make conjectures.
Pennsylvania Department of Education
What's My Height?
Students explore geometry by conducing a student measurement activity. In this height instructional activity, students identify their own height by utilizing a tape measure and marking their height on a wall. Students identify their...
Curated OER
Two-Dimensional Drawings from Three-Dimensional Objects
Sixth graders identify and draw two-dimensional representations of a three-dimensional object. Students investigate the views of an object and determine that three views are required (front, one side and the top). Students use these...
Curated OER
The Mandelbrot Set
Students are introduced to the notion of a complex number and function iteration in order to motivate the discussion of Julia sets and the Mandelbrot set.
Curated OER
Two-Dimensional Drawings from Three Dimensional Objects
Sixth graders identify and replicate two dimensional illustrations of three dimensional objects. In this spatial visualization lesson, 6th graders practice viewing objects from various sides. Student participate in stations to view...
Curated OER
Social Studies: Renaissance
Students explore Renaissance architecture. In this Renaissance instructional activity, students view a slideshow featuring architecture of the era and then discuss the math skills used to the build the structures. Student build their own...
Curated OER
Visual Patterns in Tessellations
Learners explore tessellations as well as various types of polygon. Students examine tessellating patterns in the world around them. Learners examine tessellations by creating their own tessellations and completing the included worksheet.
Curated OER
Location
Students explore the tools used by Columbus to chart his latitude. They study the change of a location over time.
Curated OER
Pattern Using Unit Cells
Students explore the pattern of the unit cell. In this science lesson, students color the unit cells on a worksheet and create a pattern using unit cells.
Curated OER
Satellite Tracker
Students use satellite tracking software to monitor different satellites. They predict and graph the motion of the space station. They create a 3-D display of its path and share it with the class.
Curated OER
Mineralogy, Astronomy, & Ancient Wisdom
Learners complete a variety of activities surrounding minerals, crystals, and mineralogy. They locate common minerals on a world map, complete a lab in which they identify the chemical and physical properties of various minerals, etc.
Curated OER
Minerals
Students explore the concept of minerals. In this minerals lesson, students discuss how cooling affects the size of crystals. Students discuss how the structure of minerals is a tetrahedron. Students discuss the structure of silicates...
Curated OER
Using Parallax to Determine Distances
Pupils study parallax and what it is used for. In this distance lesson plan students complete an activity that allows pupils to get experience using a parallax.
Curated OER
Four Forces of Flight
Students explore the four forces of flight. They investigate the four forces of flight: lift, drag, thrust and weight (gravity). They experiment with flight-testing various objects commonly found around the house and constructing paper...
Curated OER
Midsegments of a Triangle
Students analyze midsegments of triangles in this lesson. They use Cabri Jr. software to observe the relationships between interior angles and midsegments of triangles. Specific instructions for creating this lesson in Cabri Jr. are...
Texas Instruments
REAL LIFE REAL WORLD Activity - Surveyor
Learners investigate surveying in this secondary mathematics lesson. They will explore a real world application of geometry and trigonometry as they create a plot plan using a geometry utility and calculate the area of the land parcel.
Curated OER
Measuring Angles
Middle schoolers explore angle measure as they estimate angle measure and measure and draw angles of less than 360 degrees. The lesson emphasizes the use of estimation when measuring angles.
Curated OER
Exploring the Orthocenter of a Triangle
Young mathematicians explore the concept of triangles as they construct altitudes of triangles to find the orthocenter. Learners construct their triangles using Cabri Jr. on their graphing calculators and find that the altitudes of a...
Curated OER
Glide Reflections
Perform reflections and transformations by having your students create glide reflections from translated shapes. They use the TiNavigator to explore transformations.
Curated OER
Archeologist Frieze Patterns
Learners construct frieze patterns using translations and rotations. They will discuss how frieze patterns are similar to jigsaw puzzles and use Cabri Jr. to build a triangle frieze pattern using rotations, translations, and reflections.
Curated OER
Let's Gather Around the Circle
Scholars explore the relationship between circumference and diameter. Groups of learners measure the diameter and circumference of round objects and record their data on a given worksheet. They then input the data into their graphing...
Texas Instruments
Trisecting a Square
High Schoolers investigate the question of whether or not the area of square can be trisected. For this lesson, they use geometry software to answer the questions and determine what conditions are necessary to the three regions to by equal.
Curated OER
What's the Spin?
Learners use the CABRI application for their graphing calculator to rotate, translate, and reflect triangles. They use graphing calculators and follow detailed directions to manipulate triangles in specified ways. There are three...