Who was Zheng He and why haven't we heard of him? Scholars consider the question as they compare his vast expeditionary force to that of Christopher Columbus. Young historians then ponder the intersection of science, economics, and...

How are economics and politics intertwined? Societies in the Medieval period used feudalism for both economic and military reasons. The arrangement provided safety and met other needs. Using the included simulation, individuals...

A symphony of ideas are contained in this eBook designed by music teachers for music teachers. The 40 activities have all proven to be lifesavers. A must-have for your curriculum library.

Working in pairs, scholars use picture cards to practice segmenting words into phonemes and blending phonemes into words. When a peer answers correctly they place a penny in a treasure chest. Incorrect responses make the card go back in...

If you're looking to play a few games in the classroom on rainy days, try this quick activity to get you started. Shrinking ship involves quick transitions, meeting up with the right amount of classmates, and movement around the...

Triangle centers and the segments that create them easily become an exercise in memorization, without the help of engaging applications like this lesson. Here the class investigates the measure of center that is equidistant to the three...

Introduce the importance of sharing and taking turns with your learners through a hands-on learning experience involving toy cars! Here you'll find activity instructions and printables to support your "Share the Road" collaborative...

Assess what self-help techniques your students know for dealing with upset emotions with this conversational activity. The teacher begins by role playing as an upset individual, using visual images as prompts, and then asks students...

For learners with autism spectrum disorder, participating with others in a social setting can be stressful and overwhelming. A brainstorming activity prompts pupils to consider the expectations of a particular social occasion, including...

Students build cars out of legos. In this building lesson plan, students can also use Lego Mindstorms robotic equipment to add engines.

In this activity, students examine the location of the circumcenter and incenter for different triangles.

In this activity, students observe a special characteristic of the bisectors of the angles in a triangle. They test their conjecture by changing the size and shape of the triangle.

Research has shown that positive reinforcement is an effective means of influencing behavior. This experiment looks further to determine which type of reinforcement-praise or reward-is more effective with young children. The objective of...

In this activity, students bisect the angles of a triangle and find the incenter of the triangle. They find the distance from the incenter to the side of the triangle and use it as radius. With the incenter as the center, they inscribe a...

The centroid, circumcenter, orthocenter, and incenter are the four classic centers of a triangle that are studied in geometry. In this activity, you will construct these center points and discover their properties. [Requires Adobe Reader.]

In this series of short "headlines", each has a direct goal, but each also has an unintended externality or spillover.

[Free Registration/Login Required] An informational text debating whether students should or should not get paid to attend class. A question sheet is available to help students build skills in reading comprehension.

[Free Registration/Login Required] An informational text about the problem with reading programs that reward students with unhealthy food. A question sheet is available to help students build skills in reading comprehension.

Based off of the hit television show NUMB3RS, this lesson introduces students to Steiner Points, which are essentially points of concurrency within triangles. This is done in the context of a criminal who needs to place a hideout...

You will find an interactive activity to review the following concepts: altitude, median, angle bisector and points of concurrency in triangles. Five different interactive quizzes are also provided to test your knowledge.

A case that examines Russia's real-world struggles of converting from a command to market economy. Asks students to consider the pros and cons of both market systems and to formulate explanations for the large gap between the country's...