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### That was then…

Changing the way we teach.

“Why can’t we just teach the way I was taught? It worked just fine for me!”

Jim

This is now!

What if doctors continued to practice the same way they did 30 years ago?

What if athletes trained the same way they did 30 years ago?

What if computers processed the same way they did 30 years ago?

What if movies looked the same way they did 30 years ago?

Current coverage of Algebra I TEKS

TAKS grade 9 covers about 74%of Algebra I TEKS

TAKS grade 10 covers about 90%of Algebra I TEKS

TAKS exit level covers about 90%of Algebra I TEKS

Algebra I EOC assessment covers about 95% of Algebra I TEKS

Differences between TAKS and EOC

10

TEA Math Update 2009 Assessment Conference

Demonstrate an understanding of the properties and attributes of functions.

Coming soon, to a campus near you!

Frame the left and right boundaries of each graph to help you find the possible x-values (the Domain).

y

Frame the top and bottom boundaries of each graph to help you find the possible y-values (the Range).

R

A

N

G

E

DOMAIN

x

You will need…

One set of puzzler cards for every 2 people

One Coordinate Grid Mat for every 2 people

A “Puzzler #1” recording sheet for each person

Find two puzzler cards that can be used to create a graph with each given Domain and Range. You may use the cards more than once.

So what do these activities have to do with the Algebra I EOC?

Putting It All Together

Look at the data on the following released TAKS items covering Domain & Range.

What observations can you make about students’ understandings and misunderstandings?

How do the data support your observations?

What classroom experiences can we provide to clear up misunderstandings?

Objective 2: A.2B TSIET identify mathematical domains and ranges and determine reasonable domain and range values for given situations, both continuous and discrete.

- The graph shows the path of a golf ball.What is the range of this function?
- 0 < y < 100
- 0 < y< 100
- 0 < x< 5
- J. 0 < x < 5

2003 TAKS Grade 10th #14

F: 16%, G: 50%*, H: 25%, J: 9%

*correct answer

Objective 2: A.2B TSIET identify mathematical domains and ranges and determine reasonable domain and range values for given situations, both continuous and discrete.

- 27. What is the domain of the function shown on the graph.
- -3 <x< 3
- -3 < x < 3
- -5 < x< 4
- -5 <x < 4

2004 TAKS Exit #27

A: 31%, B: 44%*, C: 13%, D: 12%

*correct answer

Objective 2: A.2B TSIET identify mathematical domains and ranges and determine reasonable domain and range values for given situations, both continuous and discrete.

- 12. Mr. Maxwell asked his students to identify the domain represented by the function graphed below.
- Which of the following student
- responses is correct?
- -5 <x < 6
- -6 <x< 2
- -5 <x < -2
- J. Not here

2006 TAKS Exit #12

F: 72%*, G: 7%, H: 7%, J: 13 %

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