Concept Attainment

1
Concept Attainment

• Algebra- Like Terms

2
The Goal

• Using inductive reasoning via the concept
  attainment model, students in Algebra 1 will be
  able to identify like terms.

3
Yes or No?
NO
YES
3x and 5x 3x and 3
4y and 2y 4x and 2y
6 and 7 6y and 7
5x² and 3x² 5x³ and 3x²
-11xy and 8xy 9xy and 2x

• xy and 4yx 3xy and 4yz

4
What is your hypothesis?
Why?
Why not?
5
Not sure yet?Try these!

• x³ and 4x³
• -xyz and 2yzx

• 4xy and xy³
• 10yx² and 4xy²

YES
NO
6
Student Exemplars

• Sally Student says, 2x and 3x is a YES. But 2y
  and 3x are NO.
• Billy Student says, Ok. Then 4x³ and 5x² is NO!
  Right?
• Sally says, Yup.

7
Hands up!

• Share your hypothesis with all of us!

8
References
Click on icon for Internet Reference page on
NASAs Concept Attainment
Click on icon for Internet Reference page
on Creating Learning Experiences article
9
The Algebra Group consists of Mike Ann Roger Debr
a Marge (dragonsong)