Classes explore colloids through readings and questions in lesson 10 in a series of 36. They learn everything from methods of preparation and properties to how to classify colloids. They finish the lesson by seeing how to apply...

Class members solve problems to find the whole when given a percent. They  use double line numbers and factors of hundred to help break the 100 percent into equal segments. 

Determine whether there is a difference between two grades. Teams generate random samples of two grade levels of individuals. Groups use the mean absolute deviation to determine whether there is a meaningful difference between the...

After watching a short video about cyberbullying, individuals play an online cyberbullying game and then create their own Digizen that expresses their values and presents their vision for themselves, their friends, and the world at large.

Don't part with a resource on partitive division. Continuing along the lines of the previous lesson, pupils create stories for division problems, this time for partitive division problems. Trying out different situations and units allows...

Ratios may not be created equal, but they are equivalent. Pupils learn the theorem relating equivalent ratios and equal values in the eighth segment in a series of 29. Classmates use the theorem to determine whether ratios within...

Look at rates from a general perspective. The 17th part of a 29-part series provides problems that help pupils develop more general ratios from given rates. Scholars determine unit rates and ratios that are associated with given rates....

Find a way to work with rates. The 23rd part in a 29-part series presents work problems for the class to solve given work rates. Pupils compare rates to determine which is faster. Some problems require learners to convert the rates to...

The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...

The original drawing is eight units — how big is the scale drawing? Classmates determine the scale percent between a scale drawing and an object to calculate the length of a portion of the object. They use the percent equation to find...

It's a balancing act! Pupils balance pennies on a ruler to create a physical representation of a dot plot. The scholars then find the distances of the data points from the balance point, the mean.

After watching West of the West's documentary The Lone Woman of San Nicolas Island, class members imagine how Juana Maria/Karana may have felt about living alone on the island for 18 years and craft a blackout poem or a narrative in...

How many different ways can you write the same number? Learners experiment with writing numbers using different bases. They progress from base 10 to base two, eight, and six.

Small groups investigate plots of land to discover how abiotic and biotic factors interact. After recording their findings, scholars share observations with peers and self-reflect on the learning process. 

Scholars take part in a grand conversation about the basic needs of living things. Working collaboratively, pupils brainstorm and identify similarities to come to the conclusion that the environment meets the needs of all living...

Budding scientists work collaboratively to reenact energy flow in a food chain. Scholars take on roles such as producer and consumer and perform tasks that symbolize energy flow in order to provide evidence of how much energy passes...

Young scientists discover how sea otters' habitats have changed due to human impact. Through conversation, video observation, and story reading, scholars identify how human interactions change a specific ecosystem in both positive and...

Where does inspiration come from? Where do writers get their ideas? What about visual artists? A PowerPoint and a video introduce middle schoolers to children's author and illustrator Eric Carle and how he found inspiration in the work...

The task? Determine the how effective hospitals are at reducing the rate of hospital-acquired infections. The method? Data analysis! Using an open source software program, individuals use provided data and create scatterplots to look for...

Have you ever wondered what your own World Order would look like? Scholars use primary and secondary documents as well as video clips to investigate and analyze the Cold War. Using the sources, the principles and practices of nations...

Approach the lesson from the right angle. A discussion-based lesson leads helps learners understand angles in terms of rotation. Individuals use manipulatives to explore the properties of angles and learn how to name them. The lesson is...

It's time for show and tell! Scholars investigate historical artifacts to determine what secrets they reveal about the time periods they represent. They then research their own personal artifacts, as well as those from World War I. 

Reading between the lines helps discover important information! The 11th lesson of a 22-part series on American history has scholars use historical thinking skills to uncover the deeper meaning behind the words on a page. Using backward...

How can primary sources bring history to life? Scholars create detailed lesson plans on the late nineteenth and early twentieth centuries in American history. The 17th installment of a 22-part program exploring American history examines...