Students visit MainFunction every Friday for a Reality Check. Students discuss questions or complete an activity about real-world topics.
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Vectors in the Coordinate Plane
Examine the meaning and purpose of vectors. Use the lesson to teach your classes how find the magnitude of a vector and what it represents graphically. Your pupils will also combine vectors to find a resultant vector and interpret its...
11th - 12th Math CCSS: Designed
New Review Distance, Rate, and Time—Walking Home
Dig into a classic math problem with your classes. Through an engaging task, learners work with rate and distance information to make conclusions. In the task, two people walk at different rates; one leaves first, and scholars calculate...
8th - 9th Math CCSS: Designed
New Review Algebra II: Make Sense of Problems Using Exponential and Logarithmic Functions
You'll have more problems than solving an exponential equation if your town's population decreases to zero. Individuals create an equation to represent the population of a town given information verbally. Using logarithms, they solve for...
9th - 12th Math CCSS: Designed
The Microbial Jungles All over the Place (And You)
The microbes are gathering, organizing, dividing, reproducing, forming communities, and cooperating. We're surrounded but we can't even see these tricky little organisms. Use this short video to introduce viewers to biofilms and then...
5 mins 7th - 12th Science
The Law of Large Numbers and Probability
Learners investigate why theoretical probability doesn't always match reality. The activity involves using Python 2.7 (or Sage) to set up a Bernoulli Trial. It also involves setting up a spreadsheet to simulate the Birthday Paradox....
8th - 12th Math CCSS: Designed