Texas Instruments
Traditional Copy an Angle - Compass Construction Using Cabri Jr.
Learnerss explore geometric construction in this geometry lesson. They will investigate the traditional construction for copying an angle using Cabri Jr. in lieu of paper and pencil construction. The lesson encourages students to explore...
Texas Instruments
Cabri Jr. Inscribed and Central Angles
Learners will differentiate between inscribed and central angles in this geometry lesson. They answer questions dealing with circles as they relate to inscribed triangles and angles. This assignment includes a printable worksheet.
Curated OER
To the Moon
Pupils explore circumference manipulating Moon Pie wrapper. In this geometry lesson, they manipulate snack wrappers to find circumference, diameter, radius and distance.
Curated OER
Dimensions and Area
Learners explore the area of rectangles in this middle school geometry lesson. They will investigate the relationship between a change in the dimensions of a rectangle and the change in the corresponding area. Learners also investigate...
Curated OER
TI Workshop Presentation Guide for "Preparing for Proofs"
Pupils discover proofs using the TI in this geometry activity. They collect data from newspaper and magazines and analyze their data using the TI, relating it to proofs.
Texas Instruments
What's the Scale?
Pupils will analyze scales as related to models and real life in this geometry lesson. They work together to compare the dimensions on a model as compared to the real building.
Texas Instruments
Area of Circles
Learners explore circles. In this algebra/geometry lesson, students discover the formula for the area of a circle, as they investigate the ratio of the area of a circle to the radius^2.
Math by Design
Transformations – Reflections
Scholars use interactive resources to figure out how to mathematically draw a reflection of a geometric shape viewed in a mirror. To conclude the activity, class members are asked to deduce the result of multiple reflections across...
Texas Instruments
TI-Nspire™ CAS
When it comes to rating educational calculators, this calculator is always near the top of this list. Now it's available as an app. There is a lot of calculator power wrapped up in this app. Not only is this a fully functioning...
Texas Instruments
TI-Nspire™
We landed on the moon with less computing capabilities than you can find in this app! Here is a multiple function calculator that takes all the power you get from a handheld and adds the wonderful large screen that only a tablet can...
PBS
Surface Area and Volume
You and your class will like this lesson on using visual models to relate the volume and surface area of solid shapes. Learners construct three-dimensional forms using nets. They calculate the surface area and volume for each and then...
CK-12 Foundation
Addition of Integers: Adding Electrons
Young mathematical scientists interact with protons and electrons in an atom to create a neutrally charged atom. They answer questions based on their findings throughout the interactive resource.
Curated OER
Wind Effects on Model Building: Pre-Lab for Truss Design and Testing
Emerging engineers perform pre-lab calculations in this first of a three-part lesson plan on model building. They determine the forces of tension and compression in a truss. After completion of the worksheet, pupils will draw a draft of...
Bowland
Mission: Rainforest
Young environmentally conscious mathematicians solve a variety of problems related to the central theme of uncovering illegal logging activities. They determine a base camp based on given constraints, investigate logging activities and...
Las Cumbres Observatory
The Cosmic Distance Ladder: Parallax
Scientists don't have a ruler long enough to measure to the stars, so they rely on math. Scholars learn to calculate the distance from Earth to a star using the parallax method. They use angle measures from different perspectives to...
Curated OER
The Díne (Navajo) Native American Tribe
Students participate in a variety of activities to become familiar with the Navajo Indians. In this Díne (Navajo) Native American tribe lesson, students understand where the Navajo tribe lived and find them on a map. Students discuss the...
Curated OER
Attributes of Renewable Energy: From Nanopossibilities to Solar Power
Students explore solar energy, why we use it and how we use it. In this renewable energy lesson students compare active and solar techniques.
Curated OER
Follow the Falling Meteorite
Students use triangulation method to locate meteorite landing site on the map. In this earth science instructional activity, students participate in a meteorite treasure hunt set up by the teacher. They explain how this method is used by...
Curated OER
Water Conservation
Students explore types of water reserves. For this water conservation lesson, students brainstorm ways water are used in their homes. Students use a graduated cylinder to simulate the amount of water on Earth and the amount that humans use.
Curated OER
Mass Measurement
Middle schoolers explore geometry by completing a physics activity on-line. In this mass measurement lesson, pupils define the terms mass, volume, and density and identify their relationship with each other. They complete an on-line...
Curated OER
Fractals Rock
Students identify the repeated sequences of a pattern. In this geometry lesson, students identify fractals in patterns and nature. They construct a fractal tree and make conjectures.
Curated OER
Fractals Rock: Investing the Fractal Tree
Students investigate the relationship between fractals and sequences. In this geometry lesson, students build a fractal tree. They investigate different career fields where fractals are used in the real world.
Curated OER
Diameter, Radius and Area
Students calculate the diameter, radius and area of a circle. In this geometry activity, students investigate the different ratios of a circle. They calculate the surface are of each circle.
Curated OER
Science: Suddenly Snow
Students engage in snow-related activities during the first winter snowfall. After explaining the elements needed for it to snow, they preserve snowflakes on frozen slides and observe them under a microscope. Then, they write diamante...