Review of the Lab Gear

Name the block

• 1

• 5

• x

• 5x

With Lab Gear, how do you tell the difference between the x and y blocks?

• They are different lengths

• They are different colors

• They are the same block

Name the block

• y

• y³

• y²

• xy

Name the block

• x²

• xy

• y²

• x²y

Name the block

• xy

• y²

• 5y

• 5x

Name the block

• 5

• x

• 5x

• y

If x = 6, then 3x + 4x = _________.

• 7x

• 18

• 42

• 24

If x = 4 and y = 7, then xy + 2x = ____________.

• 28

• 42

• 14

• 36

If y = 8 and x = 2, then x²y + 2x = __________.

• 32

• 36

• 4

• 260