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Probability of Compound Events (StAIR Project)


Probability of Compound Events (StAIR Project)

Logo for Probability of Compound Events (StAIR Project)
This is a Stand Alone Instructional Resource project, for the subject of Algebra 1.  This StAIR is done through PowerPoint 2010 and covers the topic of Probability…mostly probability of compound events. The point of this stair is that students can work their way through it on their own. The goal of this module is for students to master the concept on how to find the probability of compound events and review their knowledge on experimental and theoretical probability. Students review examples,... More
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Material Type: Assessment Tool
Technical Format: HTML/Text
Date Added to MERLOT: August 12, 2012
Date Modified in MERLOT: August 23, 2012
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Keywords: compound events, probability, experimental probability, theoretical probability, algebra


  • Reviewed by members of Editorial board for inclusion in MERLOT.
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  • User review 4.25 average rating
  • User Rating: 4.25 user rating
  • Discussion (4 Comments)
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Primary Audience: Middle School, High School
Mobile Compatibility: Not specified at this time
Language: English
Cost Involved: no
Source Code Available: unsure
Accessibility Information Available: unsure
Creative Commons: Creative Commons License
This work is licensed under a Attribution-NonCommercial-ShareAlike 3.0 United States
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Discussion for Probability of Compound Events (StAIR Project)

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Avatar for susan savasky
4 years ago

susan savasky (Teacher (K-12))

Really cool! The reading was a little difficult to follow (because of the music). Is there a way to turn it off? I also felt like that was a lot of reading. Could you add some voice? or video? It might help out students who have difficulty reading quickly, it would be fun and they wouldn't get discouraged. Otherwise.....that was aweosome! :)

Time spent reviewing site: 10 minutes

Avatar for Justin Meese
4 years ago

Justin Meese (Content Developer/Author)

Natalie Saunders:

That is a great resource.  Completely engaging, and covers specific areas of the State of Michigan Standards in Mathematics thoroughly.  It is very well thought out and is put together, both from an instructional standpoint as well as from a design standpoint.  The resources use many different media assets to keep all types of learners engaged.  The resource clearly lays out the learning objective, and provides the student with a clear vision of the task at hand.  The resource also leverages quizzes that help introduce concepts before starting the lesson. This exercise is a great process so that a student can gauge their knowledge, and expose any misunderstandings.

There are a few things that I believe need to be addressed however before I could give a full five stars.  The videos that are embedded within the resource did not play for me.  I know as a technology professional, these technologies can sometimes be hard to implement with.  That should be easy enough to address.  Also, there was a slide for “Finding Odds” which caused confusion.  The slide asked the user to find the odds that spinning a spinner would land on a number 6 or greater.  The image of the spinner only has 6 numbers, however your example math had 8 numbers, a minor oversight.  Another general modification I would consider is providing instructions to the student that you expect them to pick a number during the pre-assessment.  There was nothing to lead me to that conclusion, and it wasn’t completely intuitive.

Overall, this is an excellent resource that is easy to implement and effective.

Time spent reviewing site: 40 Minutes

Avatar for Trista Teuscher
4 years ago

Trista Teuscher (Teacher (K-12))

Having worked as an aide in the high school, I heard over and over again that technology is hard to integrate into math. Math is just a straight forward subject and they never need to use the computer lab.

Well, even though I am an elementary teacher, I can see this this lesson integrates technology in a way that students will and can learn. First of all, the lesson starts with a review of previous lessons and a short quiz. Then a new concept is built upon from existing knowledge with a quiz again. The quizzes offer feedback for right and wrong answers, and even gives clues to guide the student into figuring out the correct answer and how to get there.This navigation is very easy to use and I LOVE the introduction page explaining what they are about to do. I think this lesson would come in very handy on a day where the teacher is absent or for students to do at home. It would also work if the classroom is lucky enough to have a set of tas to use.

Again, I think this is a great way to integrate technology into a subject that doesn't always get to use technology frequently. I believe students would be excited to do something out of the normal in math and anytime technology is integrated allows for more student engagement and participation. Although I am an elementary teacher, I think the bones of this STAIR could be used in my classroom. It has given me some creative ideas:)

Time spent reviewing site: 30 minutes

Avatar for Brian Stukey
4 years ago

Brian Stukey (Teacher (K-12))

The visual appeal was good.  The presentation was something I would want to look at for more than a couple seconds.  The review you had was good and seemed to supplement the section you were focusing on well.  I liked how you told the students exactly how to execute this assignment and what you expected of them.  After reading the intorduction, I was very aware of what it was I was suppose to be learning.

Technical Remarks:

Unfortunately, many of the multiple choice answers could not be clicked on.  On a couple occasions, the answer I was finally able to click on proceeded as a different answer that I had not chosen.  These technical issues made it difficult to move through each section.  If these issues were corrected, this would be an assignment you would want to use.

Time spent reviewing site: 30 minutes