Circles
Fractional Rates
Proportionality
Percentages
Financial Literacy
100
The line that goes from one point on a circle to another point, and passes through the center.
What is the diameter?
100
Another word for ratio is?
Fraction
100
How can you tell if a graph shows a proportional relationship?
Straight line through the origin
100
How do you write .10 as a percentage?
10%
100
What is the formula for simple interest?
I=prt
200
What are both formulas for circumference?
C= pi(d)
C= 2(pi)r
200
A unit rate consists of a fraction with 1 where?
In the denominator
200
How can you tell if a table represents a proportional relationship?
all ratios are equal when you divide x/y or y/x
200
How do you write 15% as a fraction?
15/100
200
What does the p,r,t stand for in the interest formula?
Principal, rate, and time
300
Calculate the Circumference of a circle that has a diameter of 5 in.
15.7
300
A person reads 12 pages of a book in 3 minutes. How many pages does he read in 1 minute?
4 pages
300
Is this graph proportional?
Yes.
300
What is 5% of 20?
1
300
How do you calculate Net Worth
Assets - Liabilities
400
Calculate the Circumference of a circle that has a radius of 10 cm.
62.8 cm
400
A person is delivering newspapers at a rate of 60 newspapers every 2 hours. How many hours will it take them to deliver 90 newspapers?
1 hour 30 minutes
or
1.5 hours
400
Is this table proportional? If so what is the constant of proportionality?
Yes k=3/2
400
A guitar costs $90. After using a coupon for 25% off the original price how much will you pay?
$67.50
400
What is the total value of a savings account that has:
Principal: $200
Interest Rate: 3%
Time: 5 years
$230
500
Calculate the Area of a circle that has a diameter of 12 feet.
A= π (r2)
113.04 ft2
500
A fruit salad recipe calls for 3 cups of peaches to 2 cups of grapes. How many cups of peaches do you need if you have 3 cups of grapes? Write your answer as a mixed number.
4 1/2
500
Use the equation for the constant of proportionality k=y/x to determine the unknown value.
k=3/2 y=15
x = 10
500
A restaurant bill comes out to $67.50. If you tip 18%. What is the total on the bill?
$79.65
500
Calculate the net worth.
Rent - $975
Monthly Income - $3,660
Phone Bill - $120
Utilities - $150
$2,415