Getting to Work

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 at...

When the class runs for the hills in this activity, they return with a deeper understanding of the math behind the physics concept of work. Beginning with a physical experiment and ending with a thoughtful analysis of results, learners...

Teach young mathematicians that sometimes just getting close to the exact answer is perfectly fine, by using this collection of estimation worksheets.

Get to the center of the physics world with an exploration of String Theory. Scholars first research the life and work of Dr. Gates. They then perform a lab investigation to explore the underlying concepts of String Theory.

Who's the best for the job? A modeling lesson asks your class to analyze job applicants before deciding who to hire to best get the work done. Pupils work in groups to find the best combination of workers that will be able to meet the...

Cultivate the tree of knowledge using diagrams with two stages. Pupils create small tree diagrams to determine the sample space in compound probability problems. The instructional activity uses only two decision points to introduce tree...

Develop a process with your classes for converting repeating decimals to fractions. Through this process, pupils understand that any repeating decimal can be written as a fraction. The 10th instructional activity in this 25-part...

Find the cards that get to zero. The lesson introduces the class to the idea of adding integers. Pupils use a number line to count up and count down when adding. They play a game to collect cards that will sum to zero. 

If you want to get ahead in business, is it better to foster collaboration between departments, or to allow specialists to work on their own projects? A short video introduces C.K. Prahalad and Gary Hamel's 1990 work, The Core Competence...

Reverse the wrapping to get to the gift. Using the idea of unwrapping a gift, the lesson introduces the concept of inverses. Pupils first determine the order needed to evaluate a function at a point, then use the reverse to find the...