Evaluate
When x = 1 and y = 2...
What is 10y
10y
10(2)
20
10 multiplies by 14
10 * 14
1 * m = m * 1
Commutative Property
2 + (g + 8)
g + (2 + 8)
g + 10
The running time of a tv show is 45 - 1c, where c is the number of commercials aired during the episode. What is the running time of a show with 25 commercials.
20 minutes
When x = 1 and y = 2...
What is 32 - x
32 - x
32 - 1
31
32 less than a number z
z - 32
0 + y = y
Addition Property of Zero
10(5w)
(10 * 5) w
50w
To find the sales tax of an item, divide the price of the item by 20.
a) write an expressions to find the sales tax on an item that cost d dollars.
b) Find the sales tax when your bike cost $500
a) d/20
b) 500/20
$25
When x = 1 and y = 2...
What is 30x
30
the sum of 22 and a number h
22 + h
Distributive Property
4(x - 10)
A maid at a hotel works 10 hours on a weekday and 5 hours on a weekend day.
a) write an expression for the total amount of hours the maid works on x weekdays and y weekends
b) Use 5 weekdays and 3 weekends
a) 10x + 5y
b) 65 hours
a) The quotient of a number y and 5
b) Evaluate when y = 55
y / 5
11
15 times the sum of 3 and a number x
15(3+x)
(c + 15) + 0.2 = c + (15 + 0.2)
Associative Property
3.2w + 1.1 - 1.2w
2w + 1.1
All of the side lengths of a square are 10x + 5. Write an expression IN SIMPLEST FORM to find the perimeter of the square
10x + 5 + 10x + 5 + 10x + 5 + 10x + 5
40x + 20
a) The product of 15 and a number a
b) Evaluate when a = 3
a) 15a
b) 45
26 less than the product of a number z and 12
12z - 26
z * 0 = 0
Multiplication Property of Zero
5(k + 4) - 2k
5k + 20 - 2k
3k + 20
The cost of a book can be represented by the expression 25 - b, where b is the discount amount. Use the Distributive Property to write and simplify an expression for the cost of 5 books.
5(25 - b)
125 - 5b