Percents
Probability
Fractions
Equations & Inequalities
Ratios and Rates
100
50% of 150
75
100
Probability of rolling an 8 on a single die
0 or impossible
100
Add the fractions: 2/5 + 3/5
5/5 or 1
100
x-10=5 what does x =
15
100
Suppose a helicopter travels 80 miles for 2 hours. A jet travels at 240 miles in 1 hours. Which travels faster?
Jet
200
30% of 300
90
200
Probability of drawing the Queen of Hearts from a deck of cards
1/52
200
Subtract the fractions: 9/10 - 6/20
12/20 or 6/10 or 3/5
200
When we use a letter do describe an unknown number, it is called a
variable
200
Steve drives 78 miles on 3 gallons of gas. Find the miles per gallon.
26 miles per gallon
300
What is this decimal as a percent? 0.625
62.5%
300
What is the theoretical probability of picking a purple marble?
2/11 or 18%
300
2/5 x 9/10 =
18/50 or 9/25
300
3x-4=5 What does x =
3
300
A 5 chapter book has 70 pages, how many pages are in each chapter?
14
400
What is this percent as a decimal? 32.5%
.325
400
Given a 4 color spinner with equal parts (red, blue, yellow, green) what is the probability of spinning red?
1/4 or 25%
400
1 1/2 - 6/8
3/4
400
(x+2)/3=6
16
400
If 6 batteries cost $3, how much does one battery cost?
$0.50
500
The regular price of the sofa was $2,000. During a sale, Mrs.Wong bought the sofa at a discount of 15%. How much did she pay for the couch?
$1700
500
You have a bag of marbles, four red and five green. What is the probability of choosing red?
4/9 or 44%
500
2/10 + 8/100
28/100 or 14/50 or 7/25
500
Simplify the expression by distributing
6(a+8)
6a+48
500
A pump moves 42 gallons in seven minutes. Find the unit rate.
6 gallons per minute