In preparation for some medical tests, Jared must drink 3 liters of water today, but he has forgotten his water bottle at home and must use paper cone cups at work. Students are asked to calculate how many of these he must drink if that...

Students are given a word problem with multiple solutions. They are challenged to solve the problem using manipulatives, to draw a picture to represent their work, and possibly record their responses using equations. Examples of...

The purpose of this task is to engage students, probably working in groups, in a substantial and open-ended modeling problem. Students will have to brainstorm or research several relevant quantities, and incorporate these values into...

The goal of this task is to encourage students to be precise in their use of language when making mathematical definitions. After working on this problem, they are asked to give a proper definition of a rotation by an angle about a...

The goal of this task is to give students a context to investigate large numbers and measurements. Students need to fluently convert units with very large numbers in order to successfully complete this task. The total number of pennies...

You have been asked to place a fire hydrant so that it is an equal distance from three locations on a map. Young scholars must fold a paper so that this point is where two folds intersect, and they must explain why their construction...

Students will practice counting, adding, and writing numerals with this activity. This would be an ideal independent activity for centers. An example of student work is included.

Students work in pairs and take turns drawing two cards. These cards have pictures of different shapes. The students are asked to describe what is similar or different between the two shapes. This type of task lays the foundation for the...

This task provides a geometric context for working with ratios and algebraic equations. Students will create and then solve an algebraic equation describing a remarkable shape, the silver rectangle. Aligns with A-CED.A.2.

For this task, students work through the steps and operations involved in the composition of an explicit quadratic function. The task assumes that the students are familiar with the process of completing the square. Aligns with F-BF.B.3...

The goal of this task is to work on producing a quadratic equation from the arithmetic context of triangular numbers. Aligns with HSF-LE.A.

For this task, students work with simple and compound interest rates to determine which bank offers the best return on a deposit. Aligns with F-LE.A.1.

In this task, students are shown a table of population data for the city of London and are asked to explore whether a linear, quadratic, or exponential function would be appropriate to model relationships within the data. They are next...

This is the first of a series of tasks aiming at understanding the quadratic formula in a geometric way in terms of the graph of a quadratic function. Here the student works with an explicit function and studies the impact of additive...

In this task about canoeing, students must analyze paddling speed and current speed, which are working against each other, to determine how long a canoe trip would take. They write expressions and analyze characteristics of the graph...

This task asks students to explain what the Pythagorean Theorem and its converse are, how the converse works, and why it is true. Aligns with 8.G.B.6.

An excellent lecture and photographs about the theater of Dionysus in Athens, Greece. College material, but readable for anyone. Link to virtual reality models does not work.

Learn how rainbows work by reading this illustrated explanation.

Jasmine has eight daisies and three vases - one large, one medium-sized and one small. Students can work independently or in small groups to see how many ways you can put daisies into vases with the most in the large vase and the least...

Here you can get a technical but accessbile overview of the Internet. Learn about Internet addresses, networking infrastructure, Internet routing hierarchy, domain names, Internet protocols, and so on. Illustrated.

Comprehensive information from the "Occupational Outlook Handbook" on artists and related workers, including discussions of the nature of the work, working conditions, training and qualifications, job outlook, earnings, sources of...

Artopia is an excellent art resource for students. They are able to examine important works of art, learn about styles, principles, and processes of the various art forms used in painting, drawing, and illustration, and view videos of...

1896, A Website of Political Cartoons and Commentary provides the illustrated story of both the Homestead and Pullman strikes with quotes from newspapers of the time and a brief characterization of Andrew Carnegie. The site includes a...

Celebrating plants and botanists, here find information on everything from photographic equipment, plant clubs, botanical gardens, seed sources, and a gallery where members can display their work. Read about famous botanists, or look for...