Curated OER
Show Me Economics
Students identify the penny as a copper coin worth 1 cent. They discover information found on the penny: President Lincoln's face, Lincoln Memorial, date, and location of minting.
Curated OER
Take a Survey!
Second graders discuss proper uses of the Internet. They complete the 8-question survey by selecting their favorite answer for each question. They click one time in the white circle to choose an answer and click Next at the bottom on...
Curated OER
Math Lesson: How Many People Live There?
High schoolers are able to calculate the population density of a country, and calculate the population density of large cities in that country. They are able to create an appropriate graph to represent their data for that country.
Curated OER
Discovering Solids
Second graders engage in a lesson that is about the discovery of solids. They identify using shapes like cones, spheres, cylinders, and cubes in various different situations. Students explore the classroom in order to find examples of...
Curated OER
Martin Luther King Internet Photo Timeline
Students create a photographic timeline of the events in the life of Martin Luther King Jr. Working in small groups, they use internet research to find photos documenting the major events of his life. Their photos are printed and glued...
Curated OER
One-Difference Classification Train
Students practice their classification skills through hands-on practice. Working in groups, students identify various ways in which similar items can be classified. Given a kit of similar items, students classify objects in multiples...
Curated OER
Venn Diagram with Blocks
Fifth graders classify blocks according to their attributes. In this math lesson, 5th graders will identify attributes of blocks, sort them, then form the groups into a Venn Diagram, and write ratios using the attributes.
Curated OER
Percentages: Converting Fractions and Decimals to Percents
Students calculate percentages. In this percentages lesson, students count the total number of floor tiles covering a given space, measure a designated section of the room, and then calculate the percentage of the room this area covers.
Alabama Learning Exchange
Explore the Transformations of Linear and Absolute Value Functions Using Graphing Utilities
Students explore the concept of transformations. For this transformation lesson, students use an applet that is an interactive absolute value graph applet. Students manipulate the applet to examine the change in the function...
Curated OER
Potential Energy
Students examine the concept of potential energy and see that it is the ability to do work. In this energy lesson students complete several activities on potential energy.
CK-12 Foundation
Ck 12: Algebra: Evaluation of Perfect Square Roots
[Free Registration/Login may be required to access all resource tools.] Recognize and evaluate perfect square roots
Better Lesson
Better Lesson: It's All Equal to Me! (Talking About Squares)
Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. For this lesson kindergartners learn about the attributes of a square.
Better Lesson
Better Lesson: Don't Be Such a Square, Be a Cube Instead!
Kindergarteners love to identify shapes in their environment. In order effectively do that, they must be able to recognize different shapes by their specific attributes. In this instructional activity kindergartners learn about the...
Mangahigh
Mangahigh: Shape: Recognize a Square and Rectangle
Test your knowledge of the similarities and differences between squares and rectangles.
Illustrative Mathematics
Illustrative Mathematics: 6.ee,g Sierpinski's Carpet
In this task, 6th graders are presented with a large square divided into 9 squares and the center square is then removed. They are asked to find the area of the 8 remaining squares. Each smaller square is divided in the same way and the...
CK-12 Foundation
Ck 12: Algebra: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] Recognize and identify irrational numbers and the set of real numbers
Illustrative Mathematics
Illustrative Mathematics: 3.md, 3.g, 3.nf Halves, Thirds, and Sixths
The purpose of this task is for students to use their understanding of area as the number of square units that covers a region, to recognize different ways of representing fractions with area, and to understand why fractions are...
Shodor Education Foundation
Shodor Interactivate: Sierpinski's Carpet
Step through the generation of Sierpinski's Carpet, a fractal made from subdividing a square into nine smaller squares and cutting the middle one out. Explore number patterns in sequences and geometric properties of fractals.
CK-12 Foundation
Ck 12: Geometry: Polygon Classification
[Free Registration/Login may be required to access all resource tools.] Recognize and classify different polygons
CK-12 Foundation
Ck 12: Geometry: Polygon Classification
[Free Registration/Login may be required to access all resource tools.] Recognize and classify different polygons
Illustrative Mathematics
Illustrative Mathematics: F If.3 Snake on a Plane
In a video game called Snake, a player moves a snake through a square region in the plane, trying to eat the white pellets that appear. This task has students approach a function via both a recursive and an algebraic definition, in the...
CK-12 Foundation
Ck 12: Algebra: Pythagorean Theorem and Its Converse
[Free Registration/Login may be required to access all resource tools.] Recognize and use the Pythagorean Theorem
CK-12 Foundation
Ck 12: Geometry: Quadrilateral Classification
[Free Registration/Login may be required to access all resource tools.] Recognize and classify quadrilaterals