Order of Operations with Substitution

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40

• 42

• 44

• 46

If y = 7, find the value of 2(y+4).

• 11

• 22

• 20

• 12

If a = 4, b = 5 and c = 6, find 2c-a-b

• 4

• 3

• 6

• 5

If y = 7, find the value of 2(y+4)

• 11

• 22

• 20

• 12

Evaluate:

56 - ( 5 + 5 x 5)

• 6

• 26

• 36

• 15

Evaluate:

23 - (30 ÷ 10) x 4

• 12

• 5

• 103

• 11

Mathematical Equivalence

ON

Evaluate the expression. Let g = 3 h = 9

4g + 2h + 4

Mathematical Equivalence

ON

In an expression what part of the question do you solve first?

• Parenthesis

• Adding and Subtracting Left to Right

• Multiplying and Dividing Left to Right

• Tacos and burritos

What is the value of -6s - 5h if s = 9 and h = 5?

• -79

• 79

• 78

• -78