Inequalities Review and Quiz

Time to prove your knowledge!

 

Warning-The sites I provide are the only ones you are supposed to be on. If you are on Youtube- I don’t care if you are just finding a song-or any other site, I will give you a 0 on the review and quiz. You aren’t supposed to be listening to music, so don’t bother complaining.

You have to have out a scratch paper for today- you will turn both of them in. Be sure to label your problems.

First you must complete the review game. You can access it by clicking right here. You will have to raise your hand and show me on your computer once you reach the million dollar mark.

 

After that, it’s time to take your quiz. You need to go to this website, and I will have your username up on the board. Your password is “algebra” and it is not timed, but you must finish it in class. You will get your results immediately. Raise your hand and turn in your paper that you did your work on- do it neatly!

 

If you complete both of those and still have time,please comment on this post, and tell me what you think of taking your quizzes online- did you like it better, worse, what, and why?

Then, complete this game (notice I said it’s a game!!) by clicking here. If you finish it, you will get extra credit.

 

Sign Language

As some of you begin to drive (many of you already have), you are required to pass a test, where you must identify different types of signs. One of the most common signs that everyone can identify is :

STOP!!!!

When you see a stop sign, you know you are supposed to Stop.

You have also been taught that when you are solving inequalities, you are supposed to flip the sign when you are multiplying or dividing by a negative number.

We are going to combine the two ideas above. Your assignment is to create a sign, any kind of sign, that, if anyone were to look at, they would easily know they were supposed to flip the sign when multiplying or dividing by a negative number.

You are being graded on these criteria:

How creative the sign is (up to 2 points)

Is it colored, clean, look nice? If it doesn’t take up the whole paper, has it been cut out? (up to 2 points)

And most IMPORTANT:

If I look at it, do I know to flip the sign when multiplying or dividing by a negative when dealing with inequalities? (Up to 5 points)

Do this on a blank sheet of white paper… if you need ideas for street signs, go here.

I plan on putting the best ones up, so please try your best!

Let’s play ball!

Today, we are going to use some REAL LIFE numbers, straight from Major League Baseball. I have linked here to a website.

All you have to do is choose one of the categories by clicking on it. (Note: I want you to click on Single Season for whichever category you chose)

Using that category, You will need to

1) create four different statements,

2)write the equation, and

3) graph the equation ON A “POSTER” size piece of paper

You must include the greater than sign for one statement, less than, less than or equal to, and greater than or equal to- a total of FOUR different statements.

Please include some graphics on your paper- whether it be your drawing, something you print off, whatever. You may only work in groups of 2.

My example: I chose Home Runs, then I clicked on Single Season.

Barry Bonds has hit 73 home runs or less in his career. B < 73

and next you would have to graph it.

Reminder: You have to use each inequality- less than, more than, at least, and at most- and use the right  sign!!

Inequalities

This is an inequality!

This is review for most of you. So it should be pretty easy.

I’m going to give a link to a site- this one- that once you click it, it will take you to a website where you can see the avg temperatures for every day in January.

You have 2 questions you must answer with an expression. Here they are:

1)What was the highest temperature ever recorded for the month of January? Write an inequality for it. Use J as your variable.

2) What what the lowest temperature ever recorded for the month of January? Use Y as your variable, and write another inequality.

NOTE: Some of you will remember there are 4 inequality signs: <,>, and the other two you can’t type. So, here is where we improvise.

Just use the underscore symbol, which you get when you hit shift and dash at the same time (right next to the plus button) along with the symbol.

So, <_ would mean less than or equal to and >_ would mean greater than or equal to.

Go to the bottom of this post, and leave a comment, as usual, WITH YOUR ANSWER!!. Leave your name(s), remember, no more than 2 can be in a group. Be sure to include your hour as well. Also, your post will not show up until I approve it. I won’t approve it until all classes have answered, so they can’t see your answer .

MEEEEEEOOOOOWWWW-Extra Credit

Today’s assignment is all about the box and whiskers!

You need to click here. If that site doesn’t work, just copy and paste the web site:

www.eia.doe.gov/emeu/steo/realprices/real_prices.xls

You are going to download a file that is going to take awhile.

The file is gas prices from today, back until a way long time ago. Like 2008. Even back to when there were dinosaurs on Earth, like 1920.

I doubt many of you have much experience with Microsoft Excel, so here are your instructions once you open the file:

Look at the very bottom of the Excel file. There are tabs at the bottom. Click the one called Gasoline A (It’s the 2nd tab).

Now you have a graph. You will need to put your mouse over the blue line, and we can get the actual price of gasoline for each year. Here are the years I want you to write down the prices of gasoline:

1920,1930, 1940, 1960, 1970, 1980, 1990, 2000, 2002, 2006 and 2008. Label and write these down on your paper.

Next, all you have to do is make a box and whiskers of the numbers you found.

Lastly, you are required to reflect- what did you notice about the gas prices? Did they go up considerably over a certain time period? What reasons can you think of that would cause that, if it did happen? I need to see 3-5 sentences.

Grading-

up to 3 points for getting the correct numbers from the chart

up to 5 points for correcting creating the box and whiskers plot

up to 2 points for reflecting in 3-5 sentences

That cheeseburger went straight to my butt!

Is it lunch time?

Everyone can relate to this assignment. We’re talking food, and lots of it!

You are going to create a histogram of calories from the restaurants you chose in class.

Here are the groups of restaurants, in case you forgot:

1) McDonalds and Burger King

2) Taco Johns and Taco Bell

3)Long John Silvers and Uncle D’s

4)Pizza Hut and Dominos

5)Chick Fil A & KFC

6) Jimmy Johns and Subway

7) Culvers and Wendys

8) Baskin Robbins and Dairy Queen

Link for Calories website

You need to pick 10 comparable items- if you get pick a hamburger at Culvers, write down the amount of calories of a hamburger at Wendys and Culvers, in separate columns. You need to write down all 15 items and calories at both places on a piece of paper.

You will need to create TWO histograms- one for each restaurant. Find the range of the calories from the first restaurant, then divide the range by how many intervals you want (You must have at least 4). Then create your histogram. You will do the same for the other restaurant.

PUT YOUR HISTOGRAMS ON POSTER PAPER!!!

Finally, I want you to write 3-5 sentences, and compare and contrast the differences. Does it look like one has a lot more calories than the other? Why or Why not?

PUT YOUR SENTENCES ON YOUR POSTER PAPER!!!

Leaf me alone!

Today we talking about stem and leaf plots.

If you are still confused about them, here is a website that might help-click here.

You are going to create a stem and leaf plot of some numbers that actually mean something. Your group has already chosen its topic. Here is where you go to get some of those numbers.

Number of years Benton teachers have been teaching: This is something you will have to get on your own. Don’t interrupt their classes. You will need at least 20. Make sure to write their names down and their years teaching on a separate piece of paper so I can verify this.

Grade Percentage: I provided (or will) this handout in class.

Phone numbers: Pick one of the group members’ cell phone, and go through their contacts. Be sure to see me before you start this.

Number of wins for the KC Chiefs in the past 20 years: Click here to find out their wins

Number of losses for KC Chiefs in past 20 years: Click here to find out their number of losses

Average ACT score by state: Click here to get the scores. You will have to round to the nearest whole number.

Age when students in class want to get married: You will have to ask each student in class. Be sure to write their name down on a separate piece of paper so I can verify this information.

Once you have all of this info, you are required to put it on a stem and leaf plot. You must include your project title on this page. Please get a piece of white paper from me to put your final stem and leaf plot on.

Grading:

Did you correctly plot the numbers?   1   2  3  4

Did you correctly title your page? 0 1

Did you find the correct numbers to plot? 1  2   3

4r-Post your surveys here

Click comments, and make sure to leave your group members names… and of course the link to your survey.

3R-Post your surveys here

Click comments, and make sure to leave your group members names… and of course the link to your survey.

1R-Post your Surveys Here

Click comments, and make sure to leave your group members names… and of course the link to your survey.