This task provides a real world context for interpreting and solving exponential equations. There are two solutions provided for part (a). The first solution demonstrates how to deduce the conclusion by thinking in terms of the functions and their rates of change. The second approach illustrates a rigorous algebraic demonstration that the two populations can never be equal.

Potty-Mouth Pete is trying to spread bad netiquette all over the Internet. Can Clicky, Webster, and Nettie stop him before it's too late?

This badminton practice sheet is a great resource for students to test their skill level in serving and stroking.

This worksheet will help students practice their badminton skills and cues such as underhand serving, forehand stroking, overhand stroking, and more.

In this lesson plan, educators will learn to teach their students the basic rules and strategies of badminton. Students will also go over the equipment and learn the rules of 4 square badminton.

This three-act math task utilizes videos and questioning to help students explore addition and subtraction within 20.

This problem builds on simple sorting skills and gives children the opportunity to use logical reasoning. Students describe the characteristics of ten marbles using their different color markings and then design a color scheme for marbles to show specific attributes. The Teachers' Notes page offers rationale, suggestions for implementation, discussion questions, ideas for extension and support.

This series of word problems requires students to apply the concepts of factors and common factors in a context.

Baker v. Carr (1962) was a landmark case concerning re-apportionment and redistricting. The United States Supreme Court ruled that federal courts could hear and rule on cases in which plaintiffs allege that re-apportionment plans violate the Equal Protection Clause of the Fourteenth Amendment.

A story with all action and not enough reflection sounds childish and lacks depth. But a story that is all reflective thoughts and emotions can bore a reader and run the risk of not teling a story at all. Today’s mini move will help us think about the see-sawing effect of balancing actions with thoughts and emotions so that our story has the perfect amount of both!

This lesson is a classroom activity where students learn to use their balance knowledge to create a beautiful mobile.

The food pyramid depicts the five major food groups: grains, fruit, vegetables, milk, meat and beans.

Play with objects on a teeter totter to learn about balance. Test what you've learned by trying the Balance Challenge game.

This webpage from Exploratorium provides an activity that demonstrates the Bernoulli principle with readily available materials. In this activity a table tennis ball is levitated in a stream of air from a vacuum cleaner. The site provides an explanation of what happens, asks questions about the activity, and also describes applications to flight. This activity is part of Exploratorium's Science Snacks series.

This three-act math task utilizes videos and questioning to help students explore number combinations.

In this quick and simple activity, learners explore how the distribution of the mass of an object determines the position of its center of gravity, its angular momentum, and your ability to balance it. Learners discover it is easier to balance a wooden dowel on the tip of their fingers when a lump of clay is near the top of the stick. Use this activity to introduce learners to rotational inertia.

Learn about the checks and balances system of the three branches of the U.S. government.

See Bald Eagles up close in this amazing tour around the United States.

Students will take inspiration from the choreographer Charles Moulton and his community based ball passing choreography. Students will learn basic ball passing movements and rhythms and create their own way of ball passing with their friends.