7th Grade Review 1

Identify the property shown.

• Commutative
• Associative
• Distributive
• None

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

3(y - 3) + 6y 

• 9y - 9
• 3y - 9 + 6y
• 3y -3

10y + 7k - 2y + 3k

• 17k - y
• 8y + 10k
• 12y -10k

2 times the sum of y and 5 

• 2 + y + 5
• 2y + 5 
• 2(y + 5)
• 2 - y + 5

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Choose the set of lengths that can not be used to form a triangle.

• 3 in., 5 in., 4 in.
• 5 in., 5 in., 9 in
• 2 in., 5 in., 3 in.
• 14 in., 5 in., 10 in.

Sam can run ⅔ of a mile in 1/10 hour.  If he continues at this rate, how long will it take him to run 1 mile?

• 3/20 hour
• 2/30 hour
• 20/3 hour
• 30/2 hour

Which expression does not show a way to calculate the sale price if the original price is r and the discount is 25%?

• 0.75r
• r - 0.25r
• 0.25r
• ¾r

x-3y > 2
 If y = 7, solve the inequality

• x>23
• x>31
• x>3y
• x>27