The Party Is Here!

Welcome to my birthday party!  After several days of planning, the BIG DAY has finally arrived!

My friends got here about thirty minutes ago.  Let me show you what's been going on!

Come on in!
Watch your step!
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Speaking of steps, I used these problem solving steps  to plan my party.

Step 1 Understand the Problem I wanted to have an awesome party so I had to make careful plans. First I had to decide who to invite*.
Step 2 Decide
on a Plan
Then I asked my friends for their ideas on what we should eat at my party.
Step 3 Carry out
the Plan
This is the step that I'm on right now.






Come with me and meet my friends...

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HI! I'm Rosa.


I invited
Lili & Joe.

Hello, I'm Amal.


I brought
Kay &
T.J


YO! I'm John.  

I brought Natasia & Jamal.

And I'm Jose.


I invited my
best buddies
Brad & Jake.
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My friends helped me decide what we would eat at our party.  I used both the range and the mode of their responses to make my decision.

Pizza, Pizza!

     CHEESE

    PEPPERONI    SUPREME
Range Cheese, Pepperoni, and Supreme pizzas
Mode Pepperoni and Pizza Hut

Our pizza arrived a few minutes ago from Pizza Hut. Select the slice of pizza you would like to eat.
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Do you hear that? I wonder what is happening outside?

Click on each word to see what all the commotion is about!
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"Oh, I'm the Party Comedian!  I bring laughter and math to your games! Yes, I'm the Party Comedian! And we'll start the first game with your names!"

Rosa

Jamal

Joe

As we told him our names, he drew a numbered juggling ball from his sack.
Why do you think he asked our names before giving us a juggling ball?

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When he was finished, each of my friends had one of these five balls.                    

He then started juggling.  As he juggled, he shared this secret with us:
"To juggle balls or numbers or swords,
You must remember these words...
the one in the middle is the one with to fiddle, to keep them off the floor."
He explained that by keeping his eye on the ball in the middle, he knew when to toss the next ball.  He then stopped and laid the balls in order on the table.
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"You've used range and mode,
(or so I've been told), to juggle both numbers and data.  But I'm here today, to show a new way, to look at those numbers and data."

Arrange the numbers in order.

Find the middle number.

This is the median of the data.

Median= 4

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Rosa

Lili

Amal

Kay

Natasia

Joe

T.J.
wpe5.jpg (2971 bytes)

John

Jamal

Jose

Brad

Jake
Today", he continued, "I have a special job for the median girl and the median boy".
"First, line up in order of your number. (To keep things fair, those with the same number need to line up in ABC order.)"
Select the correct order for the girls.
Select the correct order for the boys.
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"Now, select  the median girl to hang the Pin the Tail on the Tiger game."

Kay

Amal

Lili

Rosa

Natasia
"The median boy would be:
I need his strong muscles to hang the piņata!"

T.J.

Joe

Brad

Jake

John

Jose

Jamal
"Remember, the median is the middle value in an ordered set of numbers." How can I find the median of the whole group (in order to determine who will start the first game)?

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"Let's use your ideas," he said, "and find that median!"  He then arranged us and stood back to scratch his head and think. 

T.J.

Joe

Kay

Amal

Brad

Jake

John

Jose

Lili

Rosa

Jamal

Natasia

What do you think he is thinking about?.

How would you select the median?
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EVEN sets of data

ODD sets


Brad

Jake

M
I
D
D
L
E


John

Jose

Rosa

Jamal

Natasia

"In an even set of numbered data, the median would be the midway point between the other data.   In this case, our median would come between Jake and John."

In an odd set of data, the median is simply the middle value.

Let's try a few more examples!  This time, let's order ourselves according to the number of pizza slices we ate! I'll even join you!

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Kay


Amal


Lili


Rosa

Natasia

Order the girls and boys first by the NUMBER of pizza slices they ate.  (Remember to keep things fair, use ABC order when more than one person has the same number).

1st


T.J.

Joe

Brad

Jake

Clown

John


Jose


Jamal
8th

1st
Next, let's find
the median girl
and boy!
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Amal


Rosa


Kay


Lili


Natasia

The median girl would be:


Jamal


T.J.


Brad


Clown


Jake


John


Jose


Joe

Remember, this is an EVEN set of data...

The median would be between and .

"Wow! You are getting good at this!  Let's try one more...this time, I want you to find the median shirt color at the party..."
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The Party Comedian went  back to the kitchen for another slice of pizza (good thing we had leftovers!) as we tried to get ourselves in order.

After a while, I asked him what to do next.  We couldn't find the median!

Type in "why" you think we couldn't find the median.

   


 
"Oh, I'm the Party Comedian! To me, "math" and "fun" are the same! We learned how to use the median, and I'll leave you now to your games!

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