Joe DiNoto

@mathteacher1729

Avid juggler, AP Calc & College math instructor at JHU . Interested in , , & . All tweets my own.

Baltimore, MD
youtube.com/user/mathteach…
Joined December 2011
1,440 Photos and videos Photos and videos

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  1. Apr 3

    This is a good question for and .

    Maths challenge! A viewer bought a rug for his 8-year-old who now wants to know how many triangles it has. They've already counted the small ones but the kid wants to include them all! Send me your answers.
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  2. Retweeted
    Apr 3

    Fascinating chart from shows how inflation-adjusted public teacher salaries have gone down in the great majority of states.

    88 replies 997 retweets 1,057 likes
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  3. Apr 2

    Thank you for sharing this info and also for stating student class size in terms of instructional time a teacher can give an individual student. Society cannot afford the cost of failing to treat its teachers and students fairly.

    Les Thomas is an art teacher at Tulsa Public Schools. He can spend only one minute per student to help them.
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  4. Mar 30

    Thank you for making the connection between two of my favorite things.

    "Hey, that tree looks like inverse cosine!" - things I say to myself whilst trail running
    2 likes
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  5. Mar 30

    Boosting the signal. Full time position at JHU Center for Talented Youth. If you want to design & Algebra II curriculum and instruct students in a 100% online environment, this is for you.

    Any Stats Teacher in the interested in becoming an AP Stats instructor/supervisor/curriculum developer for Johns Hopkins Center for Talented Youth (CTY)? We have a position available...
    1 like
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  6. Mar 29

    Nice analysis. I really enjoy reading blogs that discuss and display different data visualization techniques for the same data. Hope you're having a great week!

    Soooo....I took the opportunity and wrote about Marimekko charts (😍) this week:
    1 like
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  7. Retweeted
    Mar 28

    And yet many online learning platforms restrict the amount of time a student takes on exams. What is being tested most in an online platform... a student's ability to type.

    Daphne's in her testing window. She came home yesterday and said, "They didn't really test my math today. They tested my typing. I'm not used to typing in math, so I was really slow and ran out of time. How can they learn what we know about math that way?"
    1 retweet
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  8. Retweeted
    Mar 25

    ALL YOUR REPS ARE HOME — Show up at their office, bring some friends, ask for a public town hall... if they decline, make sure to invite whoever is running against them and your local media!

    SO what date in the next couple of weeks should we have a town hall in every congressional district? If you would please Comment your suggestion of the date with reasoning below thanks
    Show this thread
    285 replies 2,008 retweets 5,851 likes
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  9. Mar 26

    Excellent reference to Maslow's hierarchy of needs! So much of politics makes sense if it is viewed through that lens. Thank you for sharing your pictures, it's encouraging to see the turnout in Scranton. (I grew up in NEPA and went to school at Western Wayne.)

    Pa This teacher using Maslow’s Hierarchy of Needs. Safety is the most basic. Great sign. Passionate teacher.
    1 reply 1 like
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  10. Mar 25

    My barrage of photos has concluded. Overall I am very encouraged that the youth is collectively asking questions about campaign finance, listing specific public policy agenda items, and encouraging everyone to register and vote.

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  11. Mar 25

    One of the better crowd photos I was able to obtain by holding the camera as high as possible above my head. I was at 12th and Pennsylvania, at the very end of the march site.

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  12. Mar 25

    These volunteers were EVERYWHERE. I talked to a lot of people at the march and many said they were already registered or planed on registering soon. More than that, they will vote in the all-important *PRIMARY* elections ahead of Nov 6th.

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  13. Mar 25

    I am VERY encouraged by the students focusing on the relationship between: campaign finance --> public policy --> public life. They are asking difficult questions and not backing down when they find uncomfortable answers. They plan on voting.

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  14. Mar 25

    This doctor has treated gunshot wounds. This article about the differences in high-velocity gunshot wounds vs. "normal" wounds pairs well with the image.

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  15. Mar 25

    Every name on this list is a person who lost their life due to gun violence. It's not comprehensive. My heart sinks like a stone to imagine even one of these names belonging to someone I know or love. The reality of this is tragic & urgent.

    1 reply
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  16. Mar 25

    It is critically important for everyone, on all sides, to question the sources of campaign finance for your elected representatives on all issues. Yesterday's march focused on lives lost to guns, so this is about gun legislation.

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  17. Mar 25

    The next few tweets will be from my experience at the in DC.

    1 like
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  18. Retweeted
    Mar 25

    From the yesterday in Eugene, Oregon.

    42 replies 561 retweets 1,849 likes
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  19. Mar 24

    As a career educator, I applaud the youth for their courage, coordination, and clear articulation of public policy. ( ) I am proud to stand with them today (and tomorrow, and tomorrow, and tomorrow) at the DC .

    1 reply 3 likes
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  20. Mar 23

    I am extraordinary encouraged that has not one but TWO pages about voting. The action will continue past tomorrow. 1) Register yourself: 2) Help others register:

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