Reasoning With Equal Expressions

Is 0=0

• Always true

• Sometimes true

• Never true

Is 3x=3x

• Always true

• Sometimes true

• Never true

Dr. Mosher has 36 lunch boxes that he wants to display in the hall on a new book shelf. He needs to decide how many shelves he should get. How can he arrange the lunch boxes so that a reasonable and equal number of of lunch boxes are on each shelf?

• He could select 6 shelves with 6 lunch boxes on each.

• He could select 4 shelves with 9 lunch boxes on each.

• He could select 2 selves with 18 boxes on each.

• He could select 8 shelves with 4 boxes on each.

Are the following expressions equivalent?

20d-16 and 4(5d-4)

• Yes

• No

• A

• B

• C

• D

Tags

6.7D

• A

• B

• C

• D

Tags

6.7D

• 2

• 4

• 8

• A

• B

• C

• D

Tags

6.7D

• F

• G

• H

• J

• F

• G

• H

• J

Tags

6.7D