Complement and supplement your knowledge of angles. Young mathematicians study supplementary and complementary angle pairs using an interactive. A set of challenge questions solidifies this understanding.

PolarTREC brings polar researchers and educators together to benefit both science and education. Pupils select one research project in Antarctica to explore and present to their peers. Scholars polish research and presentation skills as...

Challenge readers of Mark Twain's The Adventures of Huckleberry Finn to test their knowledge of the tale by providing them with a crossword puzzle that asks them to recall characters and events.

Characters and events in The Crucible provide the clues for a crossword puzzle that asks readers to demonstrate their knowledge of Arthur Miller's allegorical play.

Who speaks the first line of Shakespeare's Hamlet? Who is the last character to die in the tragedy? Whose death drives Ophelia mad? Readers' knowledge of the play is tested by 24 such clues in a crossword puzzle.

A crossword puzzle based on Ralph Ellison's Invisible Man provides readers with an opportunity to test their knowledge of the novel's events.

What is the setting of Romeo and Juliet? Who is the rich count who wants to marry Juliet? The 24 clues in a crossword puzzle test readers' knowledge of the events in Shakespeare's famous play of two young star-crossed lovers.

Transform lizards onto different locations. The interactive provides a diagram of a lizard and several locations. Pupils use their knowledge of transformations to move the lizard to the different locations and use the tools of GeoGebra...

Stretch your knowledge of ratios to the coordinate plane. The interactive allows pupils to set the endpoints of a directed line segment and form a right triangle. Using rubber bands, users visualize the line segment divided into equal...

Stretch the class' knowledge of dilations. With the aid of the rubber band stretcher tool, learners perform dilations. They dilate the triangle by a whole number scale and a fractional scale from two centers of dilation.

Does the point continually move along the graph? Pupils drag a line across two functions to determine whether they are continuous or not. They answer questions about the properties of continuous and discontinuous functions. Using their...

Pour on the knowledge with an engaging states of matter interactive! Young physical scientists view the atoms within a liquid to explain what gives a liquid its unique properties. The resource allows users to highlight and observe two...

Learn to find the slope through a single point. The interactive provides a visualization of how to find the slope of a tangent line. With the aid of the visualization, pupils see the definition of the derivative in action. Class members...

How much work does it take to lift a bucket? An interactive presents a problem of lifting a bucket from the ground to the top of a building. Using their knowledge about work and integrals, pupils calculate the amount of work required to...

Bridge the gaps in your knowledge of bridges. Individuals learn about bridge types by building models. The activity introduces beam bridges, arch bridges, truss bridges, and suspension bridges.

When designing a house, it's important to know about percents. Through a series of three lessons, scholars first review percentages through an activity involving M&Ms and then apply that knowledge to calculate compound interest and...

Designing a deck sure demands a lot of math. Future engineers and architects learn about the areas and perimeters of squares, rectangles, triangles, and composite figures. They apply their new knowledge to design a deck with a specified...

How does sound travel through different mediums? Scholars explore this question by creating and observing sound waves as they learn the difference between transverse and longitudinal wave motion. Using their new knowledge, class members...

Discover another way to find the volume of a cone. Pupils explore how the area of a cross section changes as it moves through a cone. The interactive uses that knowledge to develop the integral to use to find the volume of the cone....

Pupils follow a chain of reasoning in deconstructing a logarithmic equation step by step. Using their knowledge of logarithms, learners compare the solutions of logarithmic equations when the bases are changed.

Stamps come in sheets, strips, and singles. Young mathematicians use their knowledge of hundreds, tens, and ones to determine how many stamps Mike has altogether.

Language arts is made up of many parts. Learners review the parts of a sentence, as well as how to make a simple sentence into a complex sentence, before examining full paragraphs and identifying the topic, body, and concluding sentence...

Hammer away at building different types of functions. An engaging lesson builds on learners' knowledge of domain and range to create an understanding of composite functions. Young scholars learn to write composite functions...

You'll dance for joy at finding a helpful resource. Learners use their knowledge of electric circuits and currents to create a dance pad. Buzzes or flashes should occur when dancers step on the dance pads—a sure sign they have all the...