Curated OER
Troublesome Towers
Learners observe solids and identify parts that make up the surface area. In this geometry instructional activity, students calculate the surface are of solids and cones. They find polygons and solids in the real world.
Curated OER
Spring Collecting and Identifying Bumble Bees
Students collect bumble bees in the field, record data, pin and label specimens, answer conclusion questions, and send specimens to research leaders for verification. They improve their ability to work in research teams. Students...
Curriculum Corner
7th Grade Math Common Core Checklist
With so many math standards to fit into a school year, it can be difficult keeping track of what you have and have not covered. This collection of Common Core checklists allows you to maintain a running record of when each...
Curated OER
What in Our World Affects the Way People Live
Sixth graders study various maps that show geographical features and population. They compare the maps and make inferences about how various geographical features influence the population and human activities of an area.
Curated OER
Order of Operation
Create a slide show that explains and applies any of the operations and algebraic properties using integers. Slideshows are compiled, shown to the class, and critiqued for accuracy by the rest of the class.
Curated OER
America Grows - Trailblazers Pave the Way
Students study the time period after the Revolutionary War when people were striving to move away from the coastal areas and look for pathways to the west. Westerward expansion is a central theme and students use a variety of resources...
Virginia Department of Education
Exponents and Radicals
What is that fraction doing as an exponent? Fun math games prompt learners to practice evaluating radical expressions and expressions containing rational exponents, both in groups and individually.
Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
American Chemical Society
Joseph Priestley, Discoverer of Oxygen
Do you want to hear a joke about nitrogen and oxygen? NO. We all know there is oxygen in the air and that plants produce oxygen, but how was it discovered? Scholars read a handout, answer questions, and analyze material in the...
Core Knowledge Foundation
Volume 2 - A History of the United States: Modern Times—Late 1800s to the 2000s
The second volume of the Core Knowledge History of the United States ebook begins by asking young scholars to consider the impact immigration, industrialization, and urbanization had on the United States in the late 1800s. The text ends...
Curated OER
Where Growth Meets Growth
Students discuss fire risk factors for a property located near a wildland area. For this science lesson, students identify, number, and provide reasons for areas of increased risk on a worksheet they think should be changed. Students...
Curated OER
Angle Bisectors and Medians of Quadrilaterals
Young scholars investigate the properties of quadrilaterals formed by angle bisectors of a given quadrilateral and quadrilaterals formed by the medians of quadrilaterals. This Cabri Jr. lesson provides opportunity for conjecture and...
Texas Instruments
Investigating Segments in a Quadrilateral
Investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. In this properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral lesson, high...
Curated OER
Altitude, Median, and Angle Bisector of a Triangle
Learners investigate the special properties of an altitude, a median, and an angle bisector and explore how these special segments divide the area of a triangle. The dynamic nature of Cabri Jr. allows pupils to form and verify conjectures.
Curated OER
Rotations in the Plane
Pupils investigate the properties of a rotation as they use technology (Cabri, Jr.) to observe the relationship between the pre-image and the image formed by the rotation. The instructional activity provides ample opportunity for...
Curated OER
Segments Formed by Intersectiong Chords, Secants, and Tangents
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows students to form and verify conjectures regarding segment relationships.
Curated OER
Exponents Problems
In this algebra activity, students solve problems containing exponents. They apply the properties of exponents to solve these problems. There are 10 questions with an answer key.
Illustrative Mathematics
Extensions, Bisections and Dissections in a Rectangle
Gaining practice in translating a verbal description into a diagram and then an equation is the real point of this similar triangles exercise. Once the diagram is drawn, multiple methods are provided to reach the conclusion. An effective...
National Institute of Open Schooling
The Gaseous State
Sixth in a series of 36, this lesson focuses on gases and their behavior in given situations. Learners review the states of matter and then focus on gases, specifically learning Boyle's, Charles's, Avogadro's Laws, Dalton's, and Graham's...
California Education Partners
Photos
Why do all sizes of pictures not show the same thing? Class members analyze aspect ratios of various sizes of photos. They determine which sizes have equivalent ratios and figure out why some pictures need to be cropped to fit...
Curated OER
Transforming Univariate Data
Learners analyze plotted data in this statistics lesson. They differentiate between skewed and normal data. They also explore and interconnect exponential growth and decay as it relates to the data.
Curated OER
Making Decisions About Public Land
Students write a proposal. In this public land lesson, students discuss the difference between private and public property and brainstorm what problems might occur if a citizen changed public property. Students work in groups to write a...
Curated OER
Incenter of a Triangle
Tenth graders explore the properties of the incenter of a triangle. In this geometry lesson, 10th graders construct a triangle and the angle bisectors of each angle. The dynamic properties of Cabri Jr. allow students to locate and...