Sean Karsten
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  • Brimley, MI
  • United States
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Transformation card game

This seems like a really cool game to play for either 8th grade students or geometry students.http://nrich.maths.org/5457SeanContinue

Tags: game, transformations

Started Apr 30

What technology do you use that you couldn't live without?
1 Reply

In this blog post, Kate Nowak poses an intriguing question:But when people talk to me…Continue

Tags: blog, technology

Started this discussion. Last reply by Jamie Smith Apr 26.

Ellipses

This is a little different than my normal forum posts, but I wanted to see if anyone had some ideas for me.  I'm covering ellipses with my Algebra 2 class and they are hitting a wall.  They did…Continue

Tags: ellipses

Started Apr 10

Temperature and gardening

Earlier this month we had a burst of record-breaking warm temperatures.  These temperatures brought many people outside to work on their yards, flowerbeds, gardens, etc.  Has anyone ever taken…Continue

Tags: modeling, regression, gardening, temperature

Started Mar 28

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Latest Activity

Sean Karsten replied to Jerome Krakowiak's discussion 'Reading/Viewing List'
""A rapidly moving wildfire is growing almost exponentially in Luce County, nearly doubling in size overnight and forcing evacuations and closing roads across the area." "You cannot get out in front of this fire," he said.…"
yesterday
Sean Karsten replied to Arthur Weiss's discussion 'Hospital Algebra'
"I was saying to myself, "Aren't you lucky it was linear?"  Sounds like an interesting idea, but perhaps not that best process for coming up with math problems.  Hope you feel better and recover well."
May 20
Sean Karsten posted a discussion

Transformation card game

This seems like a really cool game to play for either 8th grade students or geometry students.http://nrich.maths.org/5457SeanSee More
Apr 30
Jamie Smith replied to Sean Karsten's discussion 'What technology do you use that you couldn't live without?'
"I am so grateful to have a lot of technology in my classroom.  I have a Smartboard that I use every day.  I use it for my lessons, agenda, warm-up, videos, etc.  I also have student responders that I use to assess my students.  I…"
Apr 26
A discussion started by Sean Karsten was featured

What technology do you use that you couldn't live without?

In this blog post, Kate Nowak poses an intriguing question:But when people talk to me about the technology I have to constantly Reframe the Issue and explain how I'm not all pro any technology for its own sake. You don't go, "Oh here's this cool technology let me shoehorn it into my classroom." Instead you go, "I think I have thought of the best way to teach this, and it would be…See More
Apr 15
Sean Karsten posted a discussion

What technology do you use that you couldn't live without?

In this blog post, Kate Nowak poses an intriguing question:But when people talk to me about the technology I have to constantly Reframe the Issue and explain how I'm not all pro any technology for its own sake. You don't go, "Oh here's this cool technology let me shoehorn it into my classroom." Instead you go, "I think I have thought of the best way to teach this, and it would be…See More
Apr 15
Sean Karsten posted a discussion

Ellipses

This is a little different than my normal forum posts, but I wanted to see if anyone had some ideas for me.  I'm covering ellipses with my Algebra 2 class and they are hitting a wall.  They did alright with circles and I've tried to show them the similarities between the shapes, but today we were writing the equations for an ellipse given different information (endpoints, foci, length of major/minor axes) and it was one of those days where the students weren't with me and were dreaming of being…See More
Apr 10
Sean Karsten replied to Sean Karsten's discussion 'Spring Break and continuing where you left off'
"Indeed.  I should have said "What things allow you to make the best use of those first minutes back after a week off?" I think one thing that will help tomorrow is a basic reminder of how I want the classroom to work and then getting…"
Apr 1
Arthur Weiss replied to Sean Karsten's discussion 'Spring Break and continuing where you left off'
"I think kids appreciate it when you give them a little review time after a break so I actually build this time into my pacing for the class when I look at a semester.  Try not to look at it as a waste of time... more of an investment for the…"
Mar 30
Sean Karsten posted a discussion

Temperature and gardening

Earlier this month we had a burst of record-breaking warm temperatures.  These temperatures brought many people outside to work on their yards, flowerbeds, gardens, etc.  Has anyone ever taken temperature data and had students find out when the most likely date for the last frost is?  How does a gardener know when they should plant?  This seems like a question we can use modeling and regression to answer.It might also bring up some fun ideas about global warming, or the risk/reward of planting…See More
Mar 28
Sean Karsten posted a discussion

Spring Break and continuing where you left off

Spring Break is almost here (for me at least) and I was wondering if anyone out there has any tried and true methods for helping students remember what they were learning after they've had a week off.  What things make the kids remember so you don't have to waste too much time that first Monday back?See More
Mar 20
Sean Karsten replied to Arthur Weiss's discussion 'Bracketology - The myth of the five-twelve upset'
"Interesting to look at.  I think most 16 seeds these days are winners of small-time conferences.  The argument could be made that they could be ranked differently because they are not the 60-64th best teams out there.  It just adds a…"
Mar 15
Sean Karsten replied to Arthur Weiss's discussion 'Bracketology - The myth of the five-twelve upset'
"Very cool.  This makes an interesting argument for talking about how well basketball can be modeled by these statistics since no 16 seed has beaten a 1 seed, even though the numbers say it should happen every so often."
Mar 14
Sean Karsten replied to Sean Karsten's discussion 'Pi Day'
"Share your love of Pi Day via facebook or twitter thanks to NCTM. http://illuminations.nctm.org/piday.aspx Links and info about pi from The Math Forum. http://mathforum.org/dr.math/faq/faq.pi.html"
Mar 13
Sean Karsten replied to Arthur Weiss's discussion 'Time lapse photography and projectile motion'
"Dan Meyer has an activity about if the tennis ball will hit the garbage can.  This may or may not be helpful, but to explain how he made his picture he states: "I filmed video using a little FlipCam and then exported a picture sequence…"
Mar 13
Sean Karsten posted a discussion

Pi Day

Pi Day will be here before we know it.  Make this your one-stop shop for information, activities, lessons, and overall Pi Day fun.Here is my first round of links:Pi Day Activities from A4A A link to a former discussion with ideas and lessons.Celebrate Pi Day with NCTM  Articles, sites, Illuminations, and fun…See More
Feb 23

Profile Information

School / District
Bay Mills Ojibwe Charter School
Position
Instructor
What subjects do you currently teach? (choose all that apply)
Algebra I, Geometry, Algebra II, Grade 7, Grade 8, Grade 12

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Sean Karsten's Blog

SBG after 12 weeks

Besides wanting to change the overall culture in my classroom, the main reason I wanted to try standards-based grading was to increase the number of students passing my classes. Well, here we are after the 1st trimester, and I only had very minor improvement in that goal.



I have 18 Algebra 1 students, and 4 of them ended up with a C- or above, which is my cutoff for credit. That is an absolutely horrible percentage, and about par for the course ever since the new standards were put in… Continue

Posted on December 5, 2010 at 19:57 — 4 Comments

SBG year 1 continued

We have 4 weeks until the end of our first trimester. I am still having new experiences with standards-based grading and tweaking as I go.



1. Some of my classes need a concrete number of problems to do some days. They don't yet have the responsibility necessary to do what is in their best interest. This is not all classes or all days, but sometimes I need to tell them to do 12 problems or come in at lunch.



2. The frustration that my students had last year before, during, and… Continue

Posted on October 28, 2010 at 16:55

Standards-based grading and conferences

We had our first round of parent-teacher conferences this past Thursday. Let me tell you that once I was able to explain my new grading system it really simplified my conferences. The individual student reports we are able to print from Powerschool were simplified so parents could understand them. The best part of the system is that I was able to tell parents exactly what the students could do to improve their grades.



No matter how low the grade is at the halfway point, the grade the… Continue

Posted on October 17, 2010 at 14:37

Standards-based grading after 4 weeks

First off, I have found Math Illustrations to be very useful for me in creating problems for my skills assessments. It has made it much easier to create trig problems for the students.



After four weeks, my standards-based grading has gone ok. The main success for me is that I am not spending any time correcting homework, which is something I hated to do. The only things I correct right now the assessments. I give assessments every Wednesday and Friday. The assessments can be re-taken… Continue

Posted on October 4, 2010 at 17:40 — 5 Comments

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