Translating and Evaluating

Write an algebraic expression for "12 more than number". 

• x + 12
• 12x
• x - 12

Evaluate 4y

if y = 3

• 7

• 12

• 43

Write an algebraic expression for "8 less than a number".          

• 8x
• x - 8
• 8 - x

Evaluate 2r + 1

if r = 3

• 24

• 5

• 7

• 8

Evaluate 2a + 4b

if a = 10 and b = 6

• 20

• 24

• 44

• 4

Evaluate 2a - b

if a = 6 and b = 1

• 12

• 25

• 11

• 13

Write an algebraic expression for "w increased by 5"

• w - 5

• 5w

• w + 5

• w / 5

Write an algebraic expression for "the difference of eighteen and a number".

• 18n

• n-18

• 18-n

• 18/n

Write an algebraic expression for "the sum of fifty-two and a number"

• n-52

• 52 + n

• 52/n

• 52n

Write an algebraic expression for "the quotient of a number and 4".

• n / 4

• n - 4

• n + 4

• 4n