6th Grade CBA 3 REVIEW

Which of the following is equivalent to 36x + 18

•  $9\cdot4x\ +18\cdot2$ 

• $\left(9\cdot4x\right)\ +\left(9\ \cdot18\right)$

• $9\left(4x\ +\ 2\right)$

• $9\left(4x\ +1\right)$

Tags

CCSS.6.EE.A.4

Which of the following is NOT equivalent to  $9\cdot\left(k\ +11\right)$  

•  $\left(9\cdot k\right)\ +\ \left(9\cdot11\right)$  

•  $9k\ +\ 99$  

•  $\left(k+11\right)\cdot9$  

•  $\left(9\cdot k\right)+11$  

Tags

CCSS.6.EE.A.4

Which 2 expressions are equivalent?

• $3\left(9x-7\right)\ \$ and $27x-7$

• $m\ +\ \left(4\cdot9\right)\ \$ and $\left(m+4\right)\cdot9$

• $\left(21\div a\right)+7\ \ \$ and $7+\left(a\div21\right)$

• $z\cdot16\ \ \ \$ and $\left(z\cdot10\right)+\left(z\cdot6\right)$

Tags

CCSS.6.EE.A.4

The Cub Scouts are selling popcorn to go to camp. The boxes sell for $4 each. They need to sell more than $400 worth of popcorn to go to camp. If x is the number of boxes of popcorn they must sell, which inequality represents the situation?

• $4x\ >\ 400$

• $4\ +\ x\ >400$

• $4x\ <400$

• $\frac{x}{4}>400$

Tags

CCSS.6.EE.B.8

Solve the equation below.
 $\frac{c}{12}=\ 3.50$  

• 15.50

• 4200

• 42

Tags

CCSS.7.EE.B.3

Mace needs to raise $225 to attend a swimming camp. He is selling birdhouses for $15 each. He needs to make at least $225 for the camp and any extra will be spending money. If x is the number of birdhouses that he has to sell, which inequality represents this situation?

• $15x\ >\ 225$

• $15x\ \ge225$

• $15+x>225$

• $\frac{x}{15}>225$

Tags

CCSS.6.EE.B.8

Which value could be a solution to the inequality given?

 $36\ge14+x$  

• 50

• 23

• 14

• 26

Tags

CCSS.6.EE.B.5

Jeff needs to buy shirts for his ball team. The shirts cost $7.50 each and they will be red. He uses the equation below to find c, the total cost for his red shirts?

 $\frac{c}{18\ }=7.50$  

•  $c\ =9.30$  

•  $c=13.50$  

•  $c=135.00$  

•  $c=25.50$  

Tags

CCSS.6.EE.B.7

Which equation is NOT true for the value of  $x=2\ \frac{1}{2}$  

•  $x\ +3\ =5.5$  

•  $2x\ =5$  

•  $x\div2\ =1.25$  

•  $x-10=7.5$  

Tags

CCSS.6.EE.B.5

What is the prime factorization of 180

• $2^{2\ }+3\ +5^2$

• $2^2\ \cdot\ 3^2\cdot\ 5$

• $2\cdot3\cdot5\cdot5$