Vocabulary
A _____ is a ratio that compares a number to 100.
What is Percent?
Name two ways to represent a ratio (models)
What is a tape diagram and a double number line?
When writing a unit price, should the price of the item be written as the numerator or the denominator?
What is the numerator?
Write as a percent
4/25
What is 16% ?
Find 25% of 8
What is 2?
A _______ is a comparison of two numbers by division.
What is Ratio?
A drama club has 14 females and 8 males. Write the ratio of males to females in simplest form.
What is 4 : 7 ?
You run 1 mile in 8 minutes. How long do you take to run 5 miles?
What is 40 minutes?
Write as a decimal: 4%
What is .04?
16 is 25% of what number?
What is 64?
A ratio involving two quantities in different units is a _______ .
What is Rate?
Suppose you use 3 cups of popcorn kernels to make 24 quarts of popcorn. Write the ratio of kernels to the amount of popcorn the kernels make in simplest form.
What is 1 cup to 8 quarts?
You earn $400.00 in 32 hours. How much do you get paid per hour?
What is $12.50 / hour?
Write as a fraction: 12%
What is
3/25
You buy a $120 bicycle on sale for 25% off. How much do you pay for the bicycle?
What is $90.00?
Finding the ___________ can help you compare prices.
What is Unit Cost?
Show the three ways to write a ratio using the numbers 7 and 19
7 to 19, 7 : 19,
7/19
One loaf of bread costs $3.09 for 32 ounces, and another costs $1.40 for 24 ounces. Which is the better buy?
What is the smaller loaf at $1.40 for 24 ounces?
According to a news article, 6 of every 25 doctors in the US are women. What percent of doctors in the US are men?
What is 76% ?
Faye paid $16.00 for a pair of shorts that were 20% off. What was the original price of the shorts?
What is $20.00?
25 miles per hour (mph) is an example of a _________ .
What is Unit Rate?
A jar contains 20 white marbles, 30 black marbles, and some red marbles. Half of the marbles are black. Find the ratio of white marbles to red marbles.
The ratio of white marbles to red marbles is 2 to 1
Name the next 3 equivalent ratios of 5 : 6.
What is 10 : 12, 15 : 18, and 20 : 24
Why is the ratio 4 : 10 NOT a percent?
What is, the ratio does not compare a number to 100?
In the US, about 46% of the population wear glasses or contact lenses. A sample of 85 people was taken. About how many people out of the people polled would you expect to be wearing glasses or contacts based in the results?
What is about 39 people?