6th grade review

A letter/symbol that takes the place of an unknown number. 

• Fraction
• Difference
• Proportion 
• Variable 

What is the LCM of 5 and 12

• 60

• 30

• 3

• 20

What is the GCF of 12 and 36

• 12

• 6

• 8

• 18

Evaluate when x = 3

2x² + 3 - 2x

• 9

• 33

• 15

• 5

What is the solution of a - 5 = 9

• 14

• -4

• 5

• 4

Simplify:
4x + 9y - 2x + 3y + 7

• 21xy
• 6x + 12y + 7
• 2x² + 5y + 7
• 2x + 12y + 7

What is the value of 5³ ?

• 15
• 25
• 100
• 125

Chicago has a temperature of −10 degrees Fahrenheit (°F). It is colder in Minneapolis than in Chicago. Select all the values that could represent the temperature of Minneapolis

• 12°F
• −12°F
• −8°F
• 18°F

Which expression is equivalent to

12x + 3(x - 2)

• 15x + 6

• 12x - 6

• 15x - 2

• 15x - 6

 $2\ \frac{1}{2\ }\ \div\ \frac{1}{6\ }$  

• 5/12 

• 1_3/8 

• 2_ 2/5 

• 15