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1. Tardy passes.  The picture below represents all of the tardy passes I have received all semester, along with passes to the nurse and passes to assistant principals for discipline.  That stack represents a lot of lost learning time, especially when you realize that these passes are written for a lot of the same students over and over again.  If learning was really valued, there would be preventative action taken rather then just letting students be late and lose valuable learning time.

2. Announcements during class time.  For the first four years of my teaching career, I worked in a district where it was in the contract that no announcements could be made during class time other than regularly scheduled announcements during a set period.  Consequently I started teaching not knowing the agony of having my class interrupted with announcements about homecoming, meetings, or sports cancellations, and then having student attention diverted to those topics rather than what they are supposed to learn.  I always hear about cell phones being a distraction to students, but random announcements that could have waited until another time (or be made in another way) during a class can be just as much of a distraction from the real reason students are in the building. 3. Letting students talk among themselves for the last 5 minutes of class.  I am known as the strict teacher because I believe in bell-to-bell instruction.  I only have 50 minutes a day to cause understanding in my students, and I want to use all of that time.  Some students and some teachers find this unreasonable of me.4. Pulling students out of class for things that are non-learning related.  This school year alone I had students pulled out of class to talk about sports participation opportunities and to do something for an extra-curricular activity that was supposed to be done after school.  I even had a student pulled out of my class during a test because another teacher simply demanded it.  Now, I'm not against sports or extra-curricular activities; I feel they are a valuable part of a student's school experience.  It's when they start to take priority over learning that I have a problem.

By the time the 15 minutes were up, they had spent only about 65 percent of the observation period actually doing their schoolwork.

Attending to multiple streams of information and entertainment while studying, doing homework, or even sitting in class has become common behavior among young people—so common that many of them rarely write a paper or complete a problem set any other way.

o detrimental is this practice that some researchers are proposing that a new prerequisite for academic and even professional success—the new marshmallow test of self-discipline—is the ability to resist a blinking inbox or a buzzing phone.

The American Mathematical Society, the American Statistical Association, the Mathematical Association of America, and the Society for Industrial and Applied Mathematics announce that the theme for Mathematics Awareness Month, April 2013, is the Mathematics of Sustainability.

Thinkfinity is the Verizon Foundation’s free online professional learning community, providing access to over 60,000 educators and experts in curriculum enhancement, along with thousands of award-winning digital resources for K-12 — aligned to state standards and the common core.

Educatorsresources.com is an online resource directory that helps teachers, principals, school administrators, PTAS/PTOs learn about products and services.

Did you ever read a book called “The Number Devil”  by Hans Magnus Enzensberger? If you ever see a copy of it, grab it and have a look. In chapter one, Robert, the hero of the story, meets the Number Devil. The Number Devil explains to Robert that knowing a little bit of arithmetic, such as addition and subtraction, is quite useful for when the batteries of your calculator run out but really it has little to do with mathematics. How often do teachers fail to grasp the distinction? How often do we overstate the importance of the “skills” that we fail to recognize the importance of their application? It’s like a football team that focuses so much energy on their training sessions that they forget to turn up to play their game.

"I loved math. I loved algebra. I really loved geometry, [but] I hit the wall at pre-cal," said Rocca. "That's the problem," said Whitney, "because you were only given one road to go through mathematics. You got the impression that once you hit the wall, that's it. There's nothing more for you. In fact, math is this extremely, very beautiful landscape. And we're showing people just one road cut right through the center of it." Whitney says our math curriculum is designed for rocket scientists. Literally! Fifty years ago America was in a space race against the Soviet Union, and beefing up on our math program was seen as a winning solution.

Number sense, concepts, and operations word wall The purpose of the mathematics word wall is to identify words and phrases that students need to understand and use so as to make good progress in mathematics. Mathematical language is crucial to children's development of thinking. If students do not have the vocabulary to talk about math concepts and skills, they cannot make progress in understanding these areas of mathematical knowledge. They need to be familiar with mathematical vocabulary and mathematical terms to understand written and spoken instructions. See math word wall resources >

There are many potential uses for social bookmarking in education. However, you may be asking yourself just what it is. Social bookmarking is a way to save, store, group, and share Internet bookmarks online. It allows you to have access to your favorite bookmarks on any computer with Internet access, so even if you are away from home, or work, you can still find and use the sites you value most. Social bookmarking sites also give you the option of joining a group of like minded people, following, or being followed by, individuals who collect similar types of bookmarks to your own. Examples of such sites include Digg, StumbleUpon, Delicious, and the focus of this article, Diigo.

An example of an outdated vision is a Facebook post that has gone viral. In it, Jack Severt, the father of a second grader in Cary, North Carolina, expressed his exasperation at a mathematics problem his son brought home.

I have a Bachelor of Science degree in Electronics [sic] Engineering which included extensive study in differential equations and other higher math applications. Even I cannot explain the Common Core mathematics