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Council for Economic Education
A Lesson on the Supply and Demand of Toy Fads
Let's all Hula Hoop! Scholars research the supply and demand side of toy fads in the United States. They analyze video clips and news articles to complete graphs on how the supply curve slope works in concert with the demand for products...
Education Institute
Four Mathematics Lessons for Grade 9
These four lesson plans build algebra skills for working with numbers in exponential form and for examining triangles. Be aware that in the text, scientific notation is referred to as index notation and the laws of exponents as the laws...
Digital History
The Stamp Act and Virtual Representation
"No taxation without representation!" While many have heard this rallying cry of the American colonists prior to the Revolutionary War, rarely is time given to hear the British reasoning behind their implementation of the Stamp Act. This...
Civil War Trust
Civil War Reader's Theater
Encourage class members to add expression and put themselves back in time during the Civil War with a reader's theater activity. The scripts include dialogue on what it was like for the Union and Confederate sides during this time.
EngageNY
Definition and Properties of Volume
Lead a discussion on the similarities between the properties of area and the properties of volume. Using upper and lower approximations, pupils arrive at the formula for the volume of a general cylinder.
Virginia Department of Education
Special Right Triangles and Right Triangle Trigonometry
Right triangles are so special! Use special right triangles to discover the trigonometric ratios. Pairs construct special right triangles and find the values of the ratios of the sides. In the process, they discover the ratios stay the...
CK-12 Foundation
Identifying Sets of Pythagorean Triples: Matching Problem
What sets of whole numbers make up the measures of side lengths in right triangles? Pupils use an interactive triangle to learn about Pythagorean triples. Individuals find missing values in triples and learn more about Pythagorean...
CK-12 Foundation
Reciprocal Identities
Get a better understanding of the trigonometric functions by taking a look at the flip side. Pupils create angles within a unit circle and compare the values of the standard trigonometric functions to their reciprocal functions. The...
CK-12 Foundation
Simplification of Radical Expressions: Irrational Garden Plot
All is not simple in the garden of rationals and irrationals. Learners use a context of a garden to practice simplifying irrational numbers involving radicals. They also find areas of garden with irrational side lengths.
CK-12 Foundation
Distance Between Two Polar Coordinates: Exploring Changes in Angle and Radius
Get straight answers on a curved grid. An interactive has learners apply the Law of Cosines to find the distance between two points on the polar coordinate plane. The pupils use the radii lengths and the angle between the two radii...
CK-12 Foundation
Revolutions of Earth: Tidal Locking
Need a hands-on activity that tests your scholars' knowledge of the relationship between Earth and the moon? This interactive has it on lockdown! Science scholars manipulate the moon in its path around Earth, then answer multiple-choice...
CK-12 Foundation
Number Patterns: Square Sizes
Size up an interactive on square sizes. Scholars adjust the side length of a square to represent the next term in a geometric pattern. They answer a set of challenge questions on the pattern to complete the activity.
CK-12 Foundation
Order Real Numbers: Pie Baking Contest
Time is on your side. Scholars plot three points on number lines with different time units to represent the time it takes three people to bake pies. They determine the fastest baker and the difference in times between the bakers.
CK-12 Foundation
Algebra Expressions with Exponents: Fish Tank Cube
There's nothing fishy about this resource. A slider interactive lets users adjust the side length of a fish tank cube. It aids in seeing changes in the volume and how to express the volume using an algebraic expression.
CK-12 Foundation
Even and Odd Functions and Function Symmetry: Even and Odd Functions (Symmetry)
Even money states that the resource is good to use. Scholars manipulate an interactive to adjust the portion of a graph to the left of the y-axis. The interactive allows them to switch between even and odd modes that show the right side...
CK-12 Foundation
Recursive Formulas: Fibonacci Sequence
Explore the building blocks of the Fibonacci Sequence. Given the lengths of sides of squares, pupils deduce the pattern to determine the lengths of two more squares. Learners continue to work with recursive formulas to generate numerical...
CK-12 Foundation
Limit of a Sequence: Finding the Limit of a Sequence (Part 3)
Limit the view of sequences on both sides of the axis. Learners explore an alternating sign sequence. Using a graphical display of the first 10 terms of the sequence, pupils determine the formula for the general term. they then use the...
Reading Through History
Patriots and Loyalists
Patriots versus Loyalists, a huge divide during the Revolutionary War in what would become the United States of America. An informative resource includes both direct instruction about the two groups and a quiz pupils take after reading...
Biology Junction
Cellular Structure
The human body contains more than 200 types of cells, and plants contain many other unique types of cells. While a huge variety of cells exist, they appear to have very similar structures. A detailed presentation describes the structure...
CK-12 Foundation
Whole Number Exponents: Teddy Bear Box
Five questions—multiple-choice, fill in the blank, and discussion—make up an interactive that challenges scholars to mail a teddy bear using the smallest box possible without squishing it. A box with movable sides allows mathematicians...
Curated OER
The Federalist Debates: Balancing Power Between State and Federal Governments
Students examine the pros and cons of state sovereignty vs. federalism, as argued by the Founding Fathers. They identify the basic positions of each side, complete a worksheet, and write a persuasive essay arguing for Jefferson or Hamilton.
Curated OER
Do Touch!
Students explore the sense of touch. They investigate unknown solids using the sense of touch. Pupils use their senses of touch to match feely gloves. Students explore body parts, by tracing their hands and feet on paper. They create a...
Curated OER
Grid Drawing Project Self-Assessment
This is a self-assessment for use with a grid drawing project, but could be modified to fit any number of similar projects. Learners answer each question as a way to reflect and assess their own art work. Learning how to objectively...
Curated OER
Connor and Makayla Discuss Multiplication
The commutative property of multiplication applies not only to whole numbers but to fractions as well. Connor and Makayla explore and discuss the idea that 2/3 x 3 is the same as 3 x 2/3. Your 5th grade class will connect with...