Learning about factors and multiples is all fun and games with this simple math activity. The lesson begins with the teacher and class playing the Factor Game together as students figure out the rules and uncover key...

Mathematicians practice communicating why the sum of two multiples of a number results in another multiple of that number. Encourage learners to construct a viable argument by applying the distributive property or by drawing a diagram....

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. 

Who knew the sum of a number's digits gives such interesting information? The 18th installment of a 21-part module has scholars investigate division by three and nine. After looking at several examples, they develop divisibility tests...

Your learners combine their knowledge of real and imaginary numbers and matrices in an activity containing thirty lessons, two assessments (mid-module and end module), and their corresponding rubrics. Centered on complex numbers and...

Investigate Hawaii's sandy shore ecosystem! Start by creating a vocabulary list and having your class complete a KWL chart. Next, pass out the "I think of" sheet. Each learner will then choose a word from a beach bucket and add it to...

Should people take vitamins or get the needed minerals through diet? Experts disagree based on many different factors. Scholars compare study findings and discuss the differences. They learn the importance of comparing results across...

Using methods adopted by Public Policy Analysts (PPA) class groups define a social problem, gather evidence to document the existence of the problem, identify causes, evaluate existing policies designed to deal with the problem, develop...

Pick your poison: tobacco, alcohol, opiates, cocaine, or marijuana. An online exhibition launches a research project that asks groups to select one of the five drugs and gather information on how the use of the drug and the regulations...

Before your learners excuse themselves to get a drink at the water fountain, prompt them to think about where that water comes from. A middle school science lesson encourages groups to research their community's source of drinking water,...

A picture speaks a thousand words—no matter how old. The 18th installment of a 22-part series on the making of American history has scholars research the causes of the Great Depression and the factors of the New Deal. Using photographic...

First graders demonstrate the difference between goods and services.

How is a movie theater like a desert biome? Compare systems to ecosystems with a set of activities that focuses on accessing multiple intelligences and building upon knowledge. As learners discuss the ways elements of an ecosystem depend...

Class members make a real connection to matrices in the 25th part of a series of 32 by looking at the identity matrix and making the connection to the multiplicative identity in the real numbers. Pupils explore different...

Young mathematicians study the relationship between skip counting and multiplication. They build on skip counting skills and examine arrays while studying multiplication. Resources are provided.

Women's lifestyles before the Civil War made a huge impact as a point of causation. Give middle schoolers the opportunity to view firsthand the lives of women before the Civil War. They analyze primary source documents, view photographs,...

Life in the Bering Sea, food webs, and the ocean ecosystem are introduced with a map activity. The lesson starts as kids explore maps and images of the Bering Sea, then it kicks into high gear as they start to discuss the types of...

Use the constant of proportionality to relate the independent variable to the dependent variable. The eighth installment of a 22-part series instructs pupils to use the equation to find the constant of proportionality and then write the...

Great information, images, and wonderful higher-order thinking questions await your class. They'll discuss, consider, and examine multiple factors related to the Dust Bowl. A cross-media comparison is made between the historical events...

Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...

OSHA confirms that rules governing worker safety at nuclear power plants ranks higher than worker safety in offices. Scholars must consider safety, cost, alternatives, and other factors before recommending whether a town should build a...

Fifth graders will be clamoring for s'more fractions after they finish this one! Motivated by a chocolate bar used for a yummy campfire treat, learners have to decide how to add fractions without like denominators by discovering the...

Students examine the history of immigration in the Pacific Northwest. They make oral and written presentation about the historic effects of immigration in the Northwest.