Expressions week review

Which expression is the same as:

"A number multiplied by itself"

• 2x

• x²

Which expression is the same as:

"Five less than a number"

• x + 5

• 5x

• ^x/₅

• x - 5

How many terms are in the following expression?

3x + y + 42

• 2 terms

• 3 terms

• 4 terms

• 13xy

Use the Distributive Property.

2(3x+4)

• 8x+24x

• 6x

• 6x+4

• 6x+8

Sandy had 18 necklaces. She gave 4 necklaces to Judy and 3 necklaces to Monica. How many necklaces does she have left?

• (18 - 4) + 3

• 18 - (4 + 3)

Roy had $8. He then worked 4 hours and got paid $5 each hour. How much money does he have after getting paid?

• $8 + (4 x $5)

• ($8 + 4) x $5

Tiffany brought $30 to the mall and spent $14 on a softball and $6 for a snack. Which expression matches the situation?

• 30 ÷ (14 - 6)

• 30 - (14 + 6)

• 30 ÷ (14 - 6)

• 30 - 14 + 30 - 6

Select the expression equivalent to:

"Add six to n, then divide by two"

• 
• 
• 
• 

2x + x²; for x = 3

• 12
• 15