Evaluating Algebraic Expressions Exit Ticket

A variable is a

• number

• letter that represents a number

Which of the following expressions contains a variable?

• 7+3

• 144÷12

• 7 + 15n

• 6(5)

Evaluate the expression:

2 + m if m = 7

• 5

• 27

• 9

• 72

Solve the following when c = 7;

c - 2

• 5

• 4

• 3

• 2

• 15
• 25
• 35
• 45