2nd Degree Polynomial- Open Middle Problem

Directions: Using the digits 1 – 9, at most once each, what values of a,b,c,d and x will make the following statement true?

 

Capture.PNG

 

Will your values of a,b,c and d work for all values of x? Why or why not?

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10’s Pairs – Open Middle Coding

Directions: Create code that will ask the user for a number and tell them it’s 10’s pair.

You can only use a command block once.

You can use the digits 0-5, at most once each.
10s partner.PNG

Is there any code or numbers you did not use?

Code this in scratch and test it out, did anything happen that you didn’t expect?

What happens if you wanted to make 20’s partners?

Coding 2/3- Open Middle Problem

Directions: Using the following command blocks (at most one time each), create code that will place Scratch 2/3rd of the way along a line.

You may use the digits 0-9, at most one time each, to fill in the boxes to create your code.

coding 2-3.PNGIf Scratch was 1/3rd of the way along the line, he would be at point ( ___ , ___ )

 

Note: we are making Scratch 30% of his size to see the line and proportion better

2- Way Frequency Table- Open Middle Problem

Directions: Using the digits 1 to 9, at most once each, fill in the boxes in this two way frequency table to make the statements true.

capture1.jpg

 

1. Students were four times as likely to wear low athletic shoes than high casual shoes

2. Three-sevenths of the students who wear low shoes wear casual ones.

3. More students wore athletic high tops than casual shoes

 

Other Questions:

How many students were surveyed?

Can you find the probability that a student is wearing any of the shoe choices?

What does this data tell you?