3 + 4 = 4 + 3
Commutative Property of Addition
Factor the expression:
25 + 40
5(5 + 8)
Simplify:
5(x +3)
5x + 15
Simplify:
3 + (x + 2)
5 + x or x + 5
The equation 15 + 20h = c represents the cost of renting a kayak for h hours. Not including the one-time fee, what is the hourly rate?
$20
5 + 0 = 5
Identity Property of Addition or
Addition Property of Zero
Factor the expression:
21x + 33
3(7x +11)
Simplify:
6 + 3(4 + 7x)
18 + 21x
Simplify:
2m + 8 + 3m - 4
5m + 4 or 4 + 5m
Write and simplify an expression using the distributive property to represent the situation below.
You and three friends go to the movies. You each buy a ticket for 12 dollars and popcorn for p dollars.
4(12 + p)
48 + 4p
7(x + 2) = 7x + 14
Distributive Property
Factor the expression:
18m + 30n
6(3m + 5n)
Simplify:
8(c - 5) + c
9c - 40
Simplify:
5(6h)
30h
The equation 25 + 95t = c represents the cost of seeing a play in Boston.
How much does parking cost? How much does each ticket cost?
$25 for parking
$95 for the ticket
(4+6)+8 = 4+(6+8)
ASsociative Property of Addition
Factor the expression:
12y - 28x + 8
4(3y - 7x + 2)
Simplify:
5(2w + 4 - 3x) + 6w
16w +20 - 15x
Simplify:
10 + 2 • 4x + (7 - 3x)
17 + 5x or 5x + 17
Write and simplify an expression using the distributive property to represent the situation below.
You and two friends go rollerskating. It costs 25 dollars to get in and 10 dollars to rent skates. Each of you also buys a drink for d dollars.
3(25 + 10 + d)
105 + 3d
ab = ba
Commutative Property of Multiplication
Factor the expression:
35a + 10ab - 45ac
5a(7 + 2b - 9c)
Simplify:
9 + 4(2e - 2 + f)
1 + 8e + 4f
Simplify:
7 - y + 4 + 3(3y)
8y + 15 or 15 + 8y
Write and simplify an expression for the perimeter of the shape below.
3a + 10 or 10 + 3a