Class members use the Internet to research the history of Thanksgiving in the United States and Canada, as well as the traditions surrounding the Thanksgiving-style celebrations of the Hebrews, the Chinese, and in Ancient Greece and Rome.

Challenge the class with inscribed circles in triangles. The assessment task requests class members use their knowledge of circles and right triangles to prove two triangles are congruent. They go on to utilize their knowledge of...

Have class members eager to enter the workforce? They'll be glad to learn that things aren't how they used to be. Have your young historians examine then discuss four primary source images related to the negative effects of...

How do we count the fish in the ocean? An engaging instructional activity models how to estimate fish populations with observational surveys. Class members begin by studying the behavior of fish on the coral reef in the oceans....

What skills do storytellers employ to bring to life the characters and events in their tales? After listening to a recording of a Haitian folk tale, class members consider how tone of voice, pace, and gestures can be used to enliven a...

Wait til your class gets their hands on this! Aspiring engineers design a working robotic arm in the fifth and final installment in a series of ocean exploration lessons. Pupils learn about the use of underwater robots in ocean...

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...

Words are powerful ... can your class choose them wisely? Scholars evaluate news articles to discover the concepts of tone, charge, and bias during a media literacy lesson. The resource focuses on recognizing implicit information and...

The class explores the truths and lies regarding Zach's Lie through a well-written anticipation guide. First in a series of seven resources, the guide addresses themes within the text. The class collaboratively discusses their...

Different currencies, multiple armies, unreliable protection from thieves: class members experience these challenges playing a game that demonstrates life under the Articles of Confederation. After playing the game—which takes them on a...

As an exercise in self-awareness and improvement, class members create a Conflict Shield listing 12 skills they believe are the most useful in conflict resolution. They then color the ones they have mastered while leaving uncolored those...

How do you balance a set of data? Using a ruler and some coins, learners determine whether the balance point is always in the middle. Through class and small group discussions, they find that the mean is the the best estimate of the...

What do Sherlock Holmes and geometry have in common? Why, it is a matter of deductive reasoning as the class learns how to justify each step of a problem. Pupils then present a known fact to ensure that their decision is correct.

Challenge your classes to complete an experiment from beginning to end. Learners make their own hypotheses, collect and analyze their own data, and make their own conclusions. They are on their way to becoming statisticians! 

Show your class members that if they can graph a linear function, they can graph an absolute value function. Groups create an absolute value graph using a table, then entertain the idea of an absolute value function defined as two...

Of course you're going to be solving an equation—it's algebra class after all. The 14th installment of a 35-part module first has pupils converting logarithmic equations into equivalent exponential equations. The conversion allows for...

Show your math class how to use vectors in adding complex numbers. Vectors represent complex numbers as opposed to points in the coordinate plane. The class uses the geometric representation to add and subtract complex numbers and...

The 10th lesson in a series of 32, continues with the geometry of arithmetic of complex numbers focusing on multiplication. Class members find the effects of multiplying a complex number by a real number, an imaginary number, and another...

Introduce your class to the federal tax system through an algebraic lens. This resource asks pupils to examine the variable structure of the tax system based on income. Young accountants use equations, expressions, and inequalities to...

The matrix — it's not just a movie. The lesson introduces the concept of 2 x 2 matrix multiplication as a way to represent linear transformations. Class members determine when a linear transformation represented as matrix...

Investigate how long-run outcomes approach the calculated probability distribution. The 10th installment of a 21-part module continues work on probability distributions from the previous activity. They pool class data to see how...

Use inverse trigonometric functions to work with ramps, rabbits, and Talladega. The class models real-world situations with trigonometric functions and solves them using inverses in the 15th installment of a 16-part series. Pupils solve...

What is the net effect when two waves interfere with each other? The lesson plan answers this question by helping the class visualize waves through graphing. Pupils graph individual waves and determine the effect of the interference...

Determine what the class knows about linear equations. The three-question mid-module assessment is segment 15 in a 33-part series. The assessment includes writing and solving one-variable linear equations and graphing proportional...