Karen Collins (@KHCollinsMath) header
Karen Collins (@KHCollinsMath) profile picture

HS Math teacher since 1987; AP Calc AB/BC; instructional coach; NBCT; passionate about innovative instructional practices & technology; geeky math chick

NC
Joined May 2016
Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)Photo by Karen Collins (@KHCollinsMath)
Karen Collins retweeted
HAPPENING NOW: @JCPS_NC is celebrating its improved student test scores. Johnston County is the only school system in #NC to see a major decrease in under-performing schools. 14 schools were low-performing in 2018/19. This year, 5 schools are listed as low-performing. @WRAL – at North Carolina, USA
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"has all that time teachers spent studying data helped students learn? The emerging answer from education researchers is no." "while data is helpful in pinpointing students’ weaknesses, mistakes and gaps, it doesn’t tell teachers what to do about them." hechingerreport.org/proof-po…
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Karen Collins retweeted
Exploring arithmetic sequences in #Algebra today. I used @fawnpnguyen #visualpatterns + @Desmos to explore and develop an understanding. Shout out to @bobloch for the idea. #iteachmath desmos.com/calculator/lyta0v…
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Karen Collins retweeted
So excited about these. Set notation puzzles from ⁦@mathequalslove⁩ but recorded instruction video for them with QR code link for a self-paced classroom so I don’t have to stop and explain to each group.
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Karen Collins retweeted
Find more details and register for Desmos webinars at help.desmos.com/hc/en-us/art…
For Ss working with functions, one of my favorite @geogebra tools to have them use is the FREEHAND SHAPE tool. With this tool, Ss can sketch hand drawn function graphs and explore many standard operations typically done on them!
Since @geogebra's FREEHAND SHAPE tool treats most sketches as functions, you can do lots with them: arithmetic operations, compositions, definite integrals! Great way for Ss to intuitively work with functions from graphical (& less algebraic) perspective. 🙂 #MTBoS #ITeachMath
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Karen Collins retweeted
It's a #Polygraph day! The energy! The vocabulary! The FUN! 💚 Check out this @Desmos activity: Lines teacher.desmos.com/polygraph… #iteachmath
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Karen Collins retweeted
🎉Congrats, Isaac! Your 🐾Wildcat🐾 family is so proud of you!! @WjhsNc @cokescholars #CokeScholarsSF
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I miss teaching #calculus. Here, a collection of easily modifiable surfaces with popular cross sections || yAxis: geogebra.org/m/agmkusms . Upper & lower functions & limits of integration are all modifiable in each. @geogebra #MTBoS #ITeachMath #APCalculus #3D
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A collection of our favorite “bell ringers,” “do nows” and “hooks” to grab students’ attention before reading nonfiction, along with examples from dozens of our daily lessons. Try these 18 warm-up activities in your classroom: nyti.ms/30edCAK
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“Students who use accurate visual representations are six times more likely to correctly solve mathematics problems than are students who do not use them... (Boonen, van Wesel, Jolles, & van der Schoot, 2014)”
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Karen Collins retweeted
New TikTok video: Visualizing the ac method of factoring
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This is my yearly shout-out to graphfree.com . It's a fantastic and flexible online tool for making quick, clean graphs of all kinds. Deserves lotsa love! #MTBoS
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Karen Collins retweeted
New TikTok video: Integer subtraction without relying on "two negatives make a positive"
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Karen Collins retweeted
Today we compared the length and speed of roller coasters. Quite a debate over the usefulness of the y-intercept. "Convince those in your group" almost led to mathematical violence today. Fun stuff!
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Want to work smarter and faster in #GoogleClassroom? 20+ tips to use Google Classroom effectively and efficiently: 👑Use a master class 🔔Turn off stream notifications 📸Take screenshots ✅Grade faster w/rubrics 👉ditchthattextbook.com/10-tip…
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Karen Collins retweeted
Thought I would share. Using this @Desmos graph to investigate slopes of parallel and perpendicular line in #algebra tomorrow. #iTeachMath desmos.com/calculator/auwqfd…
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No explanation needed
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