3 + 4 = 4 + 3
Commutative Property of Addition
Factor -
25 + 40
5(5 + 8)
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 -
21x + 33
3(7x +11)
6 + 3(4 + 7x)
18 + 21x
Simplify:
2m + 8 + 3m - 4
5m + 4 or 4 + 5m
Write an expression to represent the situation below.
You and three friends go to the movies. Each ticket costs 12 dollars and each of you also buys popcorn for p dollars.
4(12 +p)
7(x + 2) = 7x + 14
Distributive Property
Factor -
18m + 30n
6(3m + 5n)
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 -
12y - 28x + 8
4(3y - 7x + 2)
5(2w + 4 - 3x) + 6w
16w +20 - 15x
Simplify:
10 + (8x + 7) - 3x
17 + 5x or 5x + 17
Write and simplify an expression to represent the situation below.
You and two friends go rollerskating. It costs 25 dollars to get in, 10 dollars to rent skates and each of you also buys a drink for d dollars.
3(25 + 10 + d)
105 + 3d
ab = ba
Commutative Property of Multiplication
Factor -
35a + 10ab - 45ac
5a(7 + 2b - 9c)
9 + 4(2e - 2 + f)
1 + 8e + 4f
Simplify:
9y + 7 - y + 8
8y + 15 or 15 + 8y
What is the perimeter of the shape below?
3a + 10 or 10 + 3a