Evaluating Expressions Calculator

A rule for evaluating expressions that says which operations to perform first

• Always Add before Subtracting

• Order of Operations

• The Calculator

• Always Multiply before Dividing

Evaluate 4y  if       y = 3

• 7

• 12

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

• 20

• 24

• 44

• 4

Evaluate when a = 15:
2(a - 5) + 2

• 22

• 27

• 14

• 7

b² + 4
when b = 3

• 10

• 12

• 13

• 11

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42

• 46

• 34

• 58

evaluate bc + 5a  
when  a = 3, b = 4, and c = -6

• 9

• 38

• -38

• -9

Identify the coefficient in the expression
4m + n + 2

• 2

• 4

• m

• n

Evaluate m² if m = 7

• 9

• 14

• 49

• 51

Evaluate 5m + 7 if m = 5

• 12

• 25

• 32