Demonstrate the meaning of an absolute inequality using three different methods. Here, scholars explore absolute value inequalities through graphing, number line distance, and compound inequalities. Pupils complete various activities to...

In the deserts of Arizona and New Mexico, some tiny creatures show just how quickly natural selection can turn a mutation into an advantageous adaptation. Watch a video about rock pocket mice, who show that one small change can make all...

There are more than 600,000 asteroids in our solar system. Pupils analyze images of two asteroids in order to determine if they are the same age. They count craters for each asteroid and compare numbers. 

As a class, young writers learn how to develop a strong supporting character. They think and discuss a good friend they know, they use that friend as a basis for a potential supporting character. They create a supporting character as a...

A simple and sweet activity shows students how important smell is in interpreting flavor. Pairs of pupils hold their noses and eat Life Savers®, only to find that they can't identify the flavors until they let go. You will appreciate...

What led to the success of the Montgomery Bus Boycott, and how might historians approach this question differently? This rich series of lessons includes a short introductory video clip, analysis of six primary source documents, and...

Apparently unit 11 covers a range of topics related to problem solving, addition, and subtraction. This complete unit presentation is intended for use over a series of days or weeks. It contains numerous visual aids to accompany lessons...

Catching men made of gingerbread motivates your young graphers to begin exploring the concept of finding a point in two-dimensional space. Learners practice locating each cookie by rolling two cubes (one with...

Nine questions make up a mixed practice worksheet. The word problems require scholars to show what they know about money, addition, subtraction, multiplication, and division using numbers up to 5,300.

In the eighth segment of a 33-part unit, learners look at equations that do not appear to be linear at first glance. The equations are proportions where the numerators and denominators may have more than one term. To round out the...

The universe is full of a mystic matter people cannot see. Pupils respond to 10 questions about the stuff in the universe. Most of the questions involve the big bang theory and dark matter. Learners find out how astronomers have found...

Is there a correlation between a country's wealth and the extent of its ecological footprint? What exactly constitutes an ecological footprint, and how does one country stack up against the rest? This is a unique lesson to incorporate...

This isn't your ordinary short story with questions; it's actually two tales in one. First, find out what happens with Ned and Rover, then switch characters to discover the what happens between Jack and Rover.

Take a seat on the parade route with a holiday-themed set of word problems. Young mathematicians answer questions based on the annual Macy's Thanksgiving Parade in New York City, including finding the average number of members in a...

¡Celebramos Kwanzaa! Celebrate Kwanzaa through the fictional story Celebra Kwanzaa con Botitas y sus gatitos to delightfully explain the seven principles of Kwanzaa. Dual language learners participate in reading and vocabulary...

Your pupils may believe that you and their parents are the oldest things in the universe, but surprise! There are elements of the universe that are even older. Elementary scientists create a class timeline to demonstrate the...

It trivia time! Small groups work collaboratively to answer questions all about medication safety. Groups earn points with each correct response, and as the ultimate game changer, they wager all or a portion of their points on one final...

What is your body saying that maybe your words aren't? Scholars explore the vast world of the subtle, and not-so-subtle, nonverbal communication cues through group and individual work. Lesson seven in a series of peacebuilding exercises...

Who, what, when, where, why, and how are good questions to ask when evaluating a source. First, scholars find two sources of information relating to a chosen topic. Next, pupils complete a worksheet to gauge the source's credibility....

The class discovers how a decimal can make all the difference in the Olympics. As they learn about decimal place values, they compare and contrast data and demonstrate decimal values using manipulatives.

What does order of operations have to do with solving equations? A video explains solving two-step equations using a do/undo chart. Learners recognize the operations within an equation and use inverse operations to undo those...

What better way to learn graphing inequalities than through discovering your own method! Class members use a discovery approach to finding solutions to inequalities by following steps that lead them through the process and...

Early learners rotate to different classroom centers and participate in six activities based on using marshmallows to review concepts learned. They make: marshmallow sculptures (geometric shapes), the shape of mittens using colored...

Third graders experience optic illusions by creating flipbooks. In this optics lesson, 3rd graders view a demonstration of the workings of rods and cones using a camera. They are shown an optical illusion and work to create their own...