Review Test in Math 6

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Translate the sentence into an equation.
Seven subtracted from n is 18 

• n + 7 = 18
• 7 - n = 18
• n - 7 = 18
• n + 7 = 18n

Translate: two times the sum of a number and five 

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

4 less than x 

• 4 - x
• x - 4
• 4x
• -4x

a number increased by eighteen

• 18n

• n+18

• 18-n

• 18/n

the quotient of a number and 4

• n / 4

• n - 4

• n + 4

• 4n

The difference of x and 8, divided by 5

• x – 8 ÷ 5
• x/8 ÷ 5
• x/8/5
• (x – 8)/5

Which verbal situation matches the expression below?

A number, x, increased by 5 is 37.

Translate: twice the difference of 8 and y

Translate the following equation:

ten increased by the quotient of a number and 2 is -15.

• 2x - 10 = -15

• 2x + 10 = -15