Discovering Like Terms

How are these things alike?

Tags

CCSS.L.6.5B

CCSS.L.8.5B

CCSS.W.11-12.2D

How are these things alike?

Tags

CCSS.6.EE.A.2B

LIKE TERMS are terms with exactly the same variable raised to the same power.

3x and -9x are like terms because they both contain the variable x.

17 and -2 are like terms because they are both constants. They do not have a variable.

• I read the above information.

• I did not read the above information.

Tags

CCSS.6.EE.A.2B

Sort the terms into groups.

Groups:

(a) f

,

(b) b

,

(c) m

,

(d) constants

• 3.5

• -9f

• -7

• 9m

• 2b

• f

• 19

• -m

• 11f

• -2m

• 4b

• 5b

Tags

CCSS.6.EE.A.2B

Now let's try something different.

5 tacos + 9 tacos - 12 tacos =

• 26 tacos

• 2 tacos

• 33 tacos

• -16 tacos

Tags

CCSS.7.EE.A.1

Instead of tacos, let's use the variable x.

5x + 9x - 12x =

• 26x

• 2x

• 33x

• -16x

Tags

CCSS.7.EE.A.1