Do your learners always, sometimes, or never remember the properties of the segments in triangles? Get that number closer to always with a creative lesson analyzing all four segments. Scholars consider a statement about one of the...

The Election of 1912: an election with four competitive opponents. Pupils get to know the candidates with informative reading passages that provide context to the election. Then, the class engages in a debate and answers questions as one...

Class members build a machine to demonstrate Lenz's law and help this scientific principle come to life. After building a ring fling machine, instructions for properly operating the machine and a few thought-provoking questions lead to...

Imagine a world built of triangles. A performance task asks scholars to consider just that. They use their knowledge of special segments of a triangle to make decisions about the area of triangular plots of land.

Change the way you teach about rewriting expressions. A diagnostic task asks learners to transform expressions in different ways. Given two linear expressions and two quadratic expressions, they rewrite them into the indicated forms.

Tackle these tables. A performance task has learners complete two puzzles using addition and subtraction. They must fill in tables with missing addends, sums, minuends, subtrahends, or differences.

Sharing may be caring, but how much is too much? Young digital citizens ponder personal information during a activity from a module about privacy and reputation. Individuals take a survey, then mingle with classmates in a privacy game...

Know thy calculator. Young mathematicians use their calculators to answer a set of questions. They consider how the number of digits the calculator displays affects the answers to calculations. They then find examples of computations...

What's the key to maintaining a good reputation? Keep your friends close—and your secrets even closer! Social scholars score a deeper understanding of sharing during a lesson from a privacy and reputation module. Participants consider...

Whether it's cute cat videos or pictures from an epic vacation, scholars love to check out what's happening on social media! But, how much sharing is too much? A lesson from a vast digital citizenship series poses some serious points to...

The stuff I share goes where? Social media scholars discover how sites collect and use metadata during a lesson about privacy and reputation. The activity demonstrates smart privacy settings and promotes good digital citizenship.

What happens when an online post gets the wrong kind of attention? Learners evaluate the good, the bad, and the occasionally ugly side of social media posting with a instructional activity from a vast digital citizenship series. After...

Take a serious look at an equally serious topic! Security scholars explore and discuss the methods hackers use to gain access to personal information during a well-written digital citizenship activity. Part of an extensive series, the...

Sometimes free Wi-Fi comes with a hefty price tag! Networking novices examine the components of a Wi-Fi network during a digital citizenship lesson from an extensive series. Groups work together to map out a day's worth of Internet...

Chatting, texting, commenting—there are so many options for online communication! How do teens know what's appropriate? Social scholars collaborate to define the elements of a healthy online relationship during an activity-packed digital...

Respect is a must-have in healthy relationships! Pupils explore their boundaries and identify the elements of respect during a lesson from a library of digital citizenship activities. The teacher's resource section contains a printable...

Can posting art or music online lead to the career of your dreams? Inquisitive individuals consider their social media presence with a lesson from a series focusing on identity exploration and digital citizenship. Pairs put their heads...

Creating a strong password is easy ... but remembering it is a different story! Cyber scholars analyze the methods used by hackers to gain access to private information through a digital citizenship lesson. After learning more about...

What do people's social media profiles say about them? Explore diverse perspectives and digital citizenship in an activity designed with self-identity in mind. Pupils reflect on their own profiles, then collaborate to examine...

And round and round the park we go! Given a description of an amusement park with the locations of three attractions connected by walkways, learners consider what happens when additional attractions join the mix by doubling the length of...

Going on up—and up and up! An open-ended task asks learners to model the movement of an amusement ride with parametric equations. They then analyze their equations to determine how the shadow of the ride's car moves as it rises at a...

Package design is a mathematical task for any business. Young scholars use a package design to determine the number of packages required for specific shipments. Using ratios, proportions, and fractions, they make decisions about the best...

The truth will always come out. A short performance task has learners considering a witness statement given to a detective. They apply special line segments in triangles and Ceva's Theorem to prove that the witness is actually lying.

Divide and conquer the geometry problem. Young scholars consider how to subdivide triangles into smaller ones that have equal areas. They must apply their knowledge of medians to help accomplish the task.