Algebra
If a=5, solve the following
5a + 5 =
30
Reduce:
12/15
3/4
There are 5 cards face down on a desk.
2 of the cards are red. 3 are blue.
What are the odds of picking up a red card on your first draw?
2/5 or 40%
Pins for sale! I have 10 pins at a value of $3 each.
How much will I make if I sell them all?
$30
-3 + 5 =
2
If y=4, solve the following:
2y * 4 =
32
Reduce:
18/27
2/3
There are 20 balloons arranged on a wall. 5 of them are green, 5 are blue, and the rest are yellow. What is the probability of popping a green balloon if you throw one dart?
5/20, 1/4 or 25%
What a savings!! Today only, all TV's 50% off!!
What is the cost of a TV regularly priced at $500?
$250
10 + (-25) =
-15
If z=20, solve the following
z / 5 =
4
Reduce the fraction to its simplest form.
35/40
7/8
You roll a die; what is the probability it will land on 3?
1/6
"Don't worry, I'll pay for all of your tickets."
Ticket Price: $20
# of Tickets needed: 6
How much is the total ticket cost, before taxes?
$120
- 50 + (-70) =
-120
Solve for y:
y + 23 = 30
y = 7
Give an equivalent fraction for 2/5.
Possible answers (there could be others) 4/10; 6/15; 8/20; 10/25; 12/30; etc.
You roll the die, again; what is the probability it will land on an even number?
3/6 or 50%
It's pay day. How much should my check be worth if I worked 15 hours at a rate of $18/hr?
$270
100 - (-100) =
200
Solve for b:
250 - b = 170
b = 80
If Anne has 3/4 of a box of pizza, John has 1 1/2 boxes pizza's, and Ellen has 1/4 of a box of pizza, how much pizza do they have all together?
They have 2 1/2 boxes of pizza in total.
There are 21 students in our class. There are 10 boys, and 11 girls. If the class were to have a draw for a prize using a spinner everyones name, what is the probability your name will be selected first?
1/21
Mr. G requires calculators for next years' class. He needs to replace 8 of them. How much will it cost him to replace the calculators if each one is valued at $5.50
$44
250 + (-275) + 25 =