Beaucoup de cool

Have a look at MY blogpost, about all of the wonderful projects done this year by grade 11 Sci math students!

Mrs. McG is in her happy place!

You might want to sit down before you look at this.

I shared Scale of the Universe last year with everyone, and now, incredibly, someone has made a part 2......just click on the pic and you'll see what is meant by blurring the lines between science, math, art, and technology.

Scale of the Universe 2

Does your work look like this?

In the identities assignment due Monday, this is how your work should look:

As promised, here is a quick demo of how to find a zero of a function using your TI graphing calculator: (ie solving the equation 2sin x + 1 = 0)

 

And here is one that demos finding the intersection between a function and a horizontal line: (ie solving the equation 2sin x + 1 = 2.1)

 

And in honour of π day, of course, I give you Lady Vihart:

 

Good thing we have a classblog, eh?

Sakai and the Learn site both seem to be down, so for now at least you can find your checklists and voicethreads on your class page. Yay!

In the name of all that's holy!

You must check out other peoples' blogs - there are people out there who are doing amazing posts that show incredible artistic, technological, organizational, AND math ability! You cannot help but learn something!

And if you want to encourage these people to continue to help us all organize, understand, and remember this stuff, please leave a comment!

I mean after all, it's just not that thrilling to keep getting comments only from your teacher.

Who is a BIT biased.

About blogs.

And math.

And her students.

And her students' blogs about math, so check these out and talk back to:

Brett

Melissa T

Joey

Sadie

This week's class news

First of all thanks again to Kaily for turning on your webcam and participating in that voicethread for our presentation this week! Everyone was really interested to see our real live students from all over Quebec!

Next, some fabulous posts from this week can be found if you simply click on these names:

Olivia (colourful trig points summary)
Mason (nice summary of exponential functions)
Joey (great tips for unit circle)
Patrick (fascinating fractals)
Madison (excellent summary of B17)
Laura (nice observation about trig)
Taylor (another great review summary for June exam)

Finally, Patrick's ongoing investigation of fractals made this video catch my eye and blow my mind as well, by the same vihart math lady who created the one about spirals....love her but I just wish she would stop dis-ing math teachers!


I wonder how they do these videos - obviously time-lapse but I bet it takes a boatload of time. I did a time-lapse project in university that played for under 1 minute, and it took us a few weeks to get it filmed and edited. With an old super-8 mind you. So yeah this must take, what, months? Hmmmm....getting an idea now for a future lesson.....

My Teacher Appreciation Appreciation

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You can tell how much I loved that voicethread by the fact that I can't seem to stop watching it!. I think I have pushed the number of views up by 30 all by myself so far today....and it's only noon!

This is one of those days when I can't believe they pay me to do this....so much fun teaching you all!

Thanks to all who took part, you rock SO much!
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Here is a link to an invitation to you all to participate in next week's preesntation, and the link to the voicethread is also in this document:

https://docs.google.com/document/d/1Udzj420SSiDvO5ArUuwlIZEsNeRR723P_wG2fsEqd4Q/edit

Blogging tonight about degrees vs radians:

Tonight check out these blogs for a summary: Mickey, Emilie, Joey, and Corey. Also, Happy belated e-day! Yes there is such a thing! I thought it would be on Feb 18, in other words, 2.18, but apparently, I do not know how much e is, for it is 2.718. And so I missed e-day. It was yesterday, Feb 7th!

Tonight's bloggers!

The people who are blogging for Sci math tonight are Donald, Arnold, and Joey. Make sure you read at least one of these (all 3 would be even better to compare!) and then comment on at least one of them. Remember "Whoah great post dude" does NOT count!

Situational problem exam tips

Click here for the collective list of tips that I have collected so far from you all! Will be updated as soon as you add something to your own gdoc! How cool is that?

New post at betterexplained - AND IT'S ABOUT LOGS!!

Check it out - it's like he knows what we're doing! Click here to read about logs in the real world!

Some handy programs for your TI calculator

These programs might come in handy, and they are all based on the same 3 programming steps:

1. Get the calculator to prompt you for some variable(s), (PROMPT)
2. Tell the calculator what calculations to do to those variable(s), and where to store the result, (STORE)
3. Tell the calculator to tell you the result. (DISPLAY)

Here are my programs for distance between 2 points, solutions to a quadratic equation, and distance between a point and a line:

Distance between points (A, B) and (C, D)

Solutions to quadratic equation ax² + bx + c = 0

Distance between line Ax + By + C = 0 and point (M, N)

If you have written any programs, don't hesitate to share them on your blog!

Blogging guidelines

For each unit that we study, each of you will post at least 5 times on your own blogs, and each of you will comment at least 5 times on someone else's blog.

• Posting:
• Size of post: About a paragraph, in your own words of course, but make it interesting to read, ie. put in some pictures, or subtitles, or whatever you think is cool and eye-catching. Write something that YOU would want to read!

• Content of post: A few suggestions/rules:
• At least one of your posts should be a summary of a lesson for the current week. Any math notation or symbols, you must use a tool, for example, like this, to get it to appear properly in your post, none of this "x^2" nonsense! This post should also include a sample question on the lesson topic, eg something you might expect to see on a test.
• You can post about your independent assignment, telling us about your topic, or the tool you plan to use to present it, or any interesting finds as you do your research.
• You can post about activities we did during that unit, for example, this week we will be doing a geogebra activity for the log function. What questions did you try to answer, what did you find, what are you still wondering about....etc
• You can post about any math-related topic at all, something in the news that seems math-y, a cool math website that you found and want to share, reflections on a post that you read that inspired you.
• Commenting:
• Size of comment: Two or three sentences.
• Content of comment: Up to you, but "Nice post!" or "Wow! Cool!" won't count. Make it clear that you have actually read the post by referring to parts of it, adding to the information it contained, answering or asking a question....etc. The thing is, if you are actually interested in the person's post, you will know what to say!

Pictures from Costa Rica

Katerina went to Costa Rica over the break, and here are her wonderful pictures!

Baby monkey

Beach

Flower gardens

Kat's Costa Rica

Mokey!

Solving exponential equations using change of base property

Here is my suggestion for doing equations like the last one we did in Sci Math gr 11 today, and by the way, I used codecogs to do all this so it looks super pretty:




                                         (take log of both sides)


                       (use third property of logs)


          (replace logs with their app values)


      (distribute)


  (get like terms together)


                                           (combine like terms)


                              (et voila!)

More about math in nature!

As a followup to that video we watched just before the break, you might be interested to watch this. It helped me understand a BIT more about some of the geometry we saw in the spiral, and the dragonfly's wings:

The Classblog begins!

As you blog about math, you will also be learning how to do all kinds of other things, for example, getting math notation and symbols to appear in a blog post:



Embedding a picture:

Or embedding anything for that matter!

Oh the thinks you will think!

Welcome to Mrs McG's classblogs!

This year, my students will be blogging about math. This is the site from which all of their blogs can be found.  Each student's blog is, or will soon be, easy to access from here.