Two resources in particular that were helpful are here (by Steve Phelps) and here (by John Golden). Thanks to #mtbos for giving me the ideas for the screens in this activity. I've also been telling students to stay out of any construction folders, explaining to them how easy it is to mess up some aspect of the page, in which case they won't be able to complete the task. Being able to reset a graphing screen would be helpful. We recommended that they try the following similar problem, or log in a second time. Desmos Graphing Calculator is available on iOs and Android. Some of them deleted the slider on the ferris wheel screen (11), so they weren't able to do the task at all. The app is programmed to recognize logarithms, square roots, trigonometry, and arithmetic.
DESMOS GRAPHING TRIG FREE
Feel free to post demonstrations of interesting mathematical phenomena, questions about what is happening in a graph, or just cool things you've found while playing with the graphing program. The only challenge we ran into throughout the day was when students deleted elements on the graphing pages. A subreddit dedicated to sharing graphs created using the Desmos graphing calculator. The other teachers and I used the teacher dashboard all throughout to see which groups of students needed help on a particular screen.
DESMOS GRAPHING TRIG HOW TO
They even had a chance to apply their knowledge of the sine function by looking at how to model a ferris wheel rider's height versus time. Students spent the period checking their understanding of both the vocabulary, and how it related to the equation for a given graph. We didn't look at horizontal shifts on this day as this was an introductory activity. I gave maybe a 5 minute lecture in the middle about how the amplitude, period, and vertical shift are connected to the standard form of the sine graph (y=a*sin(b(x-h))+k). What I like most about an activity like this is that students begin by using informal language to describe how a graph changes, and then we build the formal vocabulary from their descriptions. Wingfield.Note: The ferris wheel looks way better in the activity.
"This was valuable review work along with our current work with trigonometric and logarithmic functions," said Mrs. "They were ready to up their Desmos game." "The Pre-Calculus AB students got on board quickly and really enjoyed finding out more about Desmos tools and looking at results of combining different functions together, such as rational and exponential," said Mrs. In the fall, Pre-Calculus students used the program to design and carve digital pumpkins. Wingfield.Ĭlick here to check out some of the projects. Using the Desmos app, students combined art with math, to dig a little deeper "into how different variables transform graphs, long-term function behavior, function combinations and interpret the solution to an equation graphically," said Mrs. "The project offered a good opportunity to review all of the functions we have worked with this year as students decided which functions would work best in their artwork." Note that this is just a starting point The main difference between sine and cosine is that the sine graph is the cosine graph shifted to the right on the x. "In Honors Pre-Calculus AB, we were exploring exponential and logarithmic graphing models and solving logarithmic equations," explained math teacher Grace Wingfield. Upper School math students are leveraging their art skills while they work on graphing trigonometric functions and applying transformations.
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