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Concept Attainment

Algebra- Like Terms

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The Goal

Using inductive reasoning via the concept attainment model,

students in Algebra 1 will be able to identify like terms.

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Yes or No?

xy and 4yx 3xy and 4yz

NOYES

3x and 5x 3x and 34y and –2y 4x and –2y

6 and –7 6y and –7

5x² and 3x² 5x³ and 3x²

-11xy and –8xy 9xy and 2x

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Not sure yet?Try these!

x³ and 4x³

-xyz and –2yzx

4xy and xy³

10yx² and 4xy²

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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.”

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Hands up!

Share your hypothesis with all of us!

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ReferencesClick on icon for Internet

Reference page on NASA’s Concept Attainment

Click on icon for Internet Reference page on

Creating Learning Experiences article

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The Algebra Group consists of:

Mike

Ann

Roger

Debra

Marge (dragonsong)