Evaluate and Write Expressions with Variables

Evaluate 4y

y = 3

• 7
• 12

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

How many terms are in the expression
3x + 2y + z

• 5
• 2
• 4
• 3

Identify the variable(s) in the expression 3x +  9

• x
• y
• 9
• 3x

How many terms are in the expression
3a + 2b + c + 100

• 3
• 4
• 5
• 6

(7 + 41) ÷ 2 – 15

• 19
• 9
• 25
• 3

What would be the second step in this problem? (3 + 4) 9 + 3 =

• parenthesis
• multiplication
• addition
• exponent

(6 + 2) (3 + 2)

• 18
• 26
• 16
• 40

Which operation is performed FIRST?
(13 - 1) + 4

• addition
• subtraction
• multiplication

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

• x + 12
• 12x
• x - 12