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Aner Ben-Artzi
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Aner Ben-Artzi

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What happens when you teach kindergarten age kids about portmanteaus? They see a garden and a park, and call it a "gark".  They want to combine a hexagon and a triangle and ask for a "trihexagon".  It's great fun.  Then they see a water foul that looks like a duck, but it dives underwater like a fish.  They thought about this for a bit and tried ways to combine duck and fish.  They triumphantly declared their portmanteau without realizing it has another meaning.  I'll give you a hint: they didn't come up with "dish".
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Sherman Zieve's profile photoNicole Ben-Artzi's profile photo
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that really is a great shot...perfect!
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I recall learning the first form, which makes the quadratic equation look a bit intimidating.  It seems trivial to require the highest-order coefficient to be 1 by dividing everything by a, and getting a cleaner quadratic equation.  I can understand some pushback for going to the third option, but both the canonical form and the quadratic equation have less terms and even have a certain symmetry between them (if only you can remember the 2 in front of the first-order coefficient, which seems about as easy/hard as remembering the negative signs.)

Another advantage of the last form is that it's easier to see why the quadratic equation is correct for the cases of b = 0 or c = 0.
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Andrew Small's profile photoManuel Alzurutt's profile photonarmerpha menes's profile photoYehiamostafa Taha's profile photo
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the general formula is the first one others is the same with different values of a and different signs of a and b thats all
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Wish I'd taken the time to find this website when I first got my phone.
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Those of you who know me or read my posts know I don't use phrases like this, but WTF!?!
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+Ken Rabe​, more than coming up with a specific headline, it's worth noting that your proposal focused on the lead up and the girl's question (i.e. the first half of the video). The meat of the story is in how he responded to her question (i.e. the second half of the video.)
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Aner Ben-Artzi

Teachers' Lounge  - 
 
I've found it very useful (so far no practical application) to watch good teachers in the classroom with real students.  There are some videos on YouTube, but less than 5 that I could find.
Anyone know of other video to observe a real classroom (preferably math)?
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Lee MacArthur's profile photoAner Ben-Artzi's profile photo
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+Lee MacArthur thanks.  I'll look some more, but an initial perusal of the content doesn't seem to have pure in-class content.  Seeing just the highlights is exactly what I'm trying to avoid because the in-class experience is a continuous block that needs to be cohesive.
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Seems legit
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Your German must be coming along
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This one is fantastic...really feels like you are really there!
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How a five-year-old makes up a riddle:  There are three people and only two pizzas.  The oven is very hot, but the pizza is there for a long time.  How does it work?
Me: So there are three people, and only [cut off]
Five-year-old: Hurry up, before the pizza in my riddle burns.
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BTW, the answer is "They share."
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Number & Operation  - 
 
The most common fraction people run into is ½.  It is unfortunate that in English (and many other languages), the word for that fraction does not connote the idea that it is one of two parts from a whole.  Children encounter “half” long before they need to use fractions more formally.  For English speakers, there is another barrier when they finally do learn about fractions in a math class: The names of fractions are the same as the ordinal numbers.  Students live their whole lives knowing the meaning of “third” and “seventh”, when they are unceremoniously introduced to a new usage for those common words.  It must be confusing for some students to try and relate how coming in “fourth” place in a race is somehow related to ¼.  I’ve cataloged a few other languages to the best of my ability.  It seems that the romance languages reuse the same word for ordinals and fractions, but starting at different numbers.  Spanish starts with ¼. French (and Hebrew) start with ⅕.  These languages have specialized words for the lower fractions.  Only English has no specialized words for any fractional amount beyond ½.  Russian, German, and Mandarin seem to have unique words/phrases for fractions that avoid confusion with ordinals altogether.
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Mike Aben's profile photoAner Ben-Artzi's profile photoMichele Kire's profile photoManuel Alzurutt's profile photo
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Awesome +Aner Ben-Artzi. A small correction - the letter "u" is missing from the fraction words. Haurua, hautoru, hauwhā, etc.
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I didn't read the article, but the idea of for-profit prisons violates several levels of sanity for a modern society.
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General Discussion  - 
 
Another plea to avoid reifying fractions.  (I held back on mentioning that 1/2 is never called a twoth.)
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Public - a year ago
reviewed a year ago
My two girls have been going to the preschool here full-time for two years (the youngest since before she was 1). They both love it, and the older one always asks on the weekends "Are we going to school today?" - she just wants it to be Monday so she can go to school again.
Public - 2 years ago
reviewed 2 years ago
They only seem to have sweet baked goods (not breads), but if you want a brownie or sticky bun, then definitely stop by this place.
Quality: Very GoodAppeal: ExcellentService: Excellent
Public - 2 years ago
reviewed 2 years ago
I came here for the first time with a family group of 10, including 2 small children. Everyone said their food tasted very good, and the portions where generous. The kids had a good time with the atmosphere, and we all left happy. I had the louisianna pasta, and it was great. I'd also note that everything came at a good temperature - hot, but not scolding.
Public - 3 years ago
reviewed 3 years ago
9 reviews
Map
Map
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They do not respect the patient as a human being. If you want to skip to the important part, see paragraph 3. 1) I was scheduled for light-sedation colonoscopy at this center. After putting on the gown and getting in the bed, a nurse came by to insert the iv. I told her that in the past, my viens have been finicky and it's not as easy as it looks. She said she could do it. In retrospect, she was not the most experienced nurse there, and she should have realized to call over someone else instead of pretending to be in control. She missed (or poked all the way through) or something. I maintained a happy demeanor and told her it was OK to start over. She decided to futz around and try to adjust the needle. Meanwhile there's blood pouring from the back of my hand, and she scrambled to get some towels to catch it. She clearly didn't have all her materials prepared and layed out properly. 2) I started getting tunnel vision and loosing hearing so I told her "I'm about to faint". She must have taken it as a complaint and said "You're OK" in an effort to console me. I fainted. 3) When I woke up, there were 4 people over me and an oxygen mask. I said "I'm putting this procedure on hold until I speak to my mom" (who was in the waiting room.) I go no response. I took off the oxygen mask and said "I need confirmation. I'm putting this procedure on hold until I speak to my mom." One of the nurses said "we heard you", and put the oxygen mask back on. That was IT! The right response is. "Yes. We are putting it on hold. We'll get your mom before we do anything else." I was genuinely worried that they'd put the sedation drug in and I'd be forced through the procedure despite my objection. Not only did this facility let a clearly inexperienced and non-professional person work there as a nurse, they did not handle the situation correctly once she made a series of errors. I would advise against going here.
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Public - 2 years ago
reviewed 2 years ago
Spicy chicken sandwich always hits the spot. The kids love the play area.
Public - 3 years ago
reviewed 3 years ago
Public - 3 years ago
reviewed 3 years ago