Math Process
What are the three ways to write a ratio?
x/y, x:y, x to y
$5
If you have 5 red skittles and 3 yellow skittles.
What is the ratio to red and yellow skittles?
5/3, 5:3, 5 to 3
For every 3 girls in the class there is 5 boys.
How many boys do we have in the class if we have 9 girls?
15 boys
Dustin had 3 hits for every 8 at bats. Adrian had 4 hits for every 10 at bats. Who has the better hits to at bats ratio?
Adrian because he gets 16 hits for every 40 at bats.
At the store, there is a sale on juices. For 5 bottles of juice I buy, I will pay $15. How much is one bottle of juice?
$3
What is the ratio of cats to dogs?
7 cats/5 dogs, 7 cats: 5 dogs, 7 cats to 5 dogs
For every 2 questions you answers correct, I will give you a piece of candy.
How many questions do you have to answer correct in order to get 5 pieces of candy?
10 questions
In tank 1, there is 4 guppies and 5 mollies. In tank 2, there is 2 Angelfish and 3 mollies. If there are 15 mollies in each tank, which tank has more fish?
Tank 1 has more fish because it will have 27 fishes.
Multiply and Divide
It costs me to $30 dollars to fill my gas tank. My gas tank holds 12 gallons of gas. How much do I pay for each gallon?
$2.50
There are 5 chocolate candy bars, 3 gummy candies, and 2 suckers.
What is the ratio of suckers to gummy candies?
2 suckers/3 gummy candies, 2 suckers: 3 gummy candies, 2 suckers to 3 gummy candies.
At the Broncos pre-game, there was 25 Broncos fans for every 10 Raiders fans.
How many Broncos fans were there, if there was 60 Raiders fans?
150 Broncos Fans
To make plaster, Kevin makes 3 cups of water with 4 pounds of plaster powder. How much water will Kevin mix with 20 pounds of powder?
15 cups of water
What are the steps to compare rates?
Step 1: First you write the ratios of the two different ratios.
Step 2: Find the equivalent ratios for each ratio.
Step 3: Look for the number that is the same to compare the ratios.
A football player runs 80 yards in 25 seconds. If he maintains the same rate of speed, how far could he run in 60 second?
192 yards
There are 8 nurses for every 5 doctors at the hospital.
What is the ratio of nurses to total employees at the hospital?
8 nurses to 13 doctors, 8 nurses: 13 doctors, 8 nurses/13 doctors
At the store, I had to buy chocolate chips to make cookies. My recipe called for 8 chocolate chips for 1 cookie. I had to make 50 cookies. How many chocolate chips do I need to buy?
400 chocolate chips
One bouquet of flowers has 3 roses for every 5 lilies. Another bouquet has 4 lilies for every 5 daisies. If both bouquets have 20 lilies, which bouquet has more flowers?
The bouquet with lilies and daisies.
What are the steps to solve a unit rate word problem?
Step 1: First write the original rate and turn it into a unit rate.
Step 2: Find the equivalent rate to solve the problem.
On a family vacation, Amy's dad drove the car at a constant speed and traveled 585 miles in 13 hours. At this rate, how long would it have taken the family to travel 810 miles? What was the car's rate of speed?
18 hours and 45 miles per hour
In a bag of Reese's Pieces, there is 5 orange, 3 brown, and 8 yellow.
What is the ratio of the orange to the total candy pieces?
5 orange/16 pieces, 5 orange: 16 pieces, 5 orange to 16 pieces
I am making tacos for my sister's graduation party. There is going to be 43 guests and each guest will eat 3 tacos. How many tacos do I need to make?
129 tacos
Melissa can drive 1,400 miles on 40 gallons.